1.0 Purpose and Definitions
1.1 The purpose of this regulation is to outline the procedures, criteria, and responsibilities related to the state assessment system required pursuant to 14 Del.C. §151.
1.2 Definitions
The following words and terms, when used in this regulation, shall have the following meaning:
“Alternate achievement standards” means targets that define how well and how much students should know and do in the content to be considered proficient on the alternate assessment.
“Alternate assessment” means an assessment which is based on Alternate Achievement Standards which is designed for students with the most significant cognitive disabilities who cannot participate in the General Assessment even with appropriate accommodations. Per subsection 4.1, there are 2 types of alternate assessment in Delaware – Selected Response Alternate Assessment and Portfolio Alternate Assessment.
“College readiness assessment” means the statewide assessment used to measure student achievement of content standards and skills necessary to be successful in post-secondary education.
“Delaware System of Student Assessment” or “DeSSA” means the statewide system of assessments designed to measure student achievement of state content standards, including, but not limited to, general assessments measuring student achievement based on grade-level academic standards, alternate assessments based on alternate achievement standards for students with the most significant cognitive disabilities, a college readiness assessment, an assessment for English Learners, a norm referenced assessment; or any assessment that may be administered or required as determined by the Department of Education for use in Delaware public schools.
“Department” means the Delaware Department of Education.
“District Test Coordinator” means an educator assigned by the district or charter school to be the primary contact for DeSSA information. The District Test Coordinator is responsible for coordinating the administration of state assessments within the district or charter. The District Test Coordinator is also required to complete training and be knowledgeable of proper test administration and test security, and ensure that all personnel assigned to testing are adequately trained in proper test administration and test security.
“English language proficiency assessment” means an assessment that is intended to measure a non-native English speaker’s English proficiency in reading, writing, speaking, and listening. The English language proficiency alternate assessment is a similar assessment for students with significant cognitive disabilities.
“Extended standards” means statements describing concepts and skills aligned to the content standards for English Language Arts and Literacy, Mathematics, Science, and Social Studies.
“General assessment” means the statewide assessment used to measure student achievement of the content standards for English Language Arts and Literacy, Mathematics, Science, and Social Studies. This assessment does not include students who participate in an alternate assessment.
“Invalidation” means a response to an event or situation that occurs during the administration of an assessment which may result in a statistically unreliable or invalid score report for a student.
“Local educational agency” or “LEA” means a public board of education or other public authority legally constituted within Delaware for either administrative control or direction of, or to perform a service function for, public elementary or secondary schools in a school district, or for a combination of school districts. The term includes an educational service agency and any other public institution or agency having administrative control and direction of a public elementary school or secondary school.
“National Assessment for Education Progress” means a norm referenced assessment used statewide in selected schools and grades to measure academic achievement in various content areas including English Language Arts and Literacy, Mathematics, and Science.
“Portfolio alternate assessment” means a form of alternate assessment aligned to the extended standards in English Language Arts and Literacy, Mathematics, Science, and Social Studies, in which evidence such as work samples, data sheets, photos or videos is gathered by the test administrator to document student achievement.
“School Test Coordinator” means the educator assigned by the school to be the primary contact for DeSSA information at the school level. The School Test Coordinator is responsible for coordinating the administration of state assessments within the school. The School Test Coordinator is also required to complete training and be knowledgeable of proper test administration and test security and ensure that all personnel assigned to testing are adequately trained in proper test administration and test security.
“Selected response alternate assessment” means a form of alternate assessment aligned to the extended standards in English Language Arts and Literacy, Mathematics, Science, and Social Studies, in which the questions are presented to the student, and the student response is recorded by the test administrator to document student achievement.
10 DE Reg. 676 (10/01/06)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
2.0 Delaware System of Student Assessments (DeSSA)
2.1 Delaware System of Student Assessments (DeSSA) is the statewide system of assessments used to measure student achievement which includes the following:
2.1.1 General assessments for both English Language Arts and Literacy and Mathematics; and
2.1.2 General assessments for both Science and Social Studies; and
2.1.3 Alternate assessments based on alternate achievement standards for English Language Arts, Mathematics, and Science; and
2.1.4 Other assessments such as an assessment for English Learners, a norm referenced assessment, a college readiness assessment or any assessment that may be administered or required as determined by the Department.
2.2 All LEAs shall administer all applicable, required components of the DeSSA, including field test administrations. Any student repeating a grade level shall take any components of DeSSA that are required for that given grade level.
2.3 The Department shall determine the dates upon which the DeSSA assessments shall be administered, and will advise the LEAs of those dates.
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
3.0 General Assessments
3.1 General assessments shall be administered to:
3.1.1 All students in grades 3 through 8 and 11 in the areas of English Language Arts and Literacy and Mathematics;
3.1.2 All students in grades 5 and 8 in Science and students taking a high school Biology course; and
3.1.3 All students in grades 4 through 8 and 11 in Social Studies.
3.2 All students in tested grades in need of designated supports and accommodations shall be tested according to the Department's Accessibility Guidelines for the Delaware System of Student Assessments (DeSSA), as DeSSA may from time to time be amended.
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
4.0 Alternate Assessments
4.1 There are 2 types of alternate assessment that shall be available to students in Delaware: selected response alternate assessment and portfolio alternate assessment.
4.2 Annual written notice of assessment options in a format and timetable approved by the Department, shall be provided to parents of students with disabilities who may be eligible to participate in an alternate assessment and shall:
4.2.1 Describe the purpose of statewide alternate assessments;
4.2.2 Identify the available statewide assessment options including general and alternate assessments; and
4.2.3 Identify the process by which a parent may initiate consideration of a student for portfolio alternate assessment.
4.3 Selected Response Alternate Assessment. Participation in the selected response alternate assessment is an annual decision made by the Individualized Education Program (IEP) team through consideration of the criteria outlined in the Alternate Assessment Participation Guidelines.
4.4 Portfolio Alternate Assessment
4.4.1 A parent who believes that his or her child would not, despite accommodations, produce valid results on the selected response assessment may submit a written request to the LEA, in a uniform format as determined by the Department, no later than October 15th of the school year for which the portfolio alternate assessment is sought. For students who transfer into the LEA after October 15th, the process for participation in the portfolio alternate assessment will be outlined in the Portfolio Alternate Assessment Participation Guidelines.
4.4.2 Upon receipt of the written request, the LEA shall convene an IEP meeting to consider the parent's request. The Department shall be informed of any student participating in the portfolio alternate assessment by December 15th of the school year for which the portfolio alternate assessment is sought.
4.4.3 Participation in the portfolio alternate assessment is an annual decision made by the IEP team including the LEA representative (e.g. administrator/designee) through consideration of the criteria outlined in the Portfolio Alternate Assessment Participation Guidelines.
4.4.4 In no event shall an IEP team, school or district advocate for parents to exercise the right to request a portfolio alternate assessment.
4.5 Procedure for Design and Evaluation of Portfolio Alternate Assessments
4.5.1 The portfolio alternate assessment shall be a state developed assessment with the components of the design and evaluation determined by the Department, in consultation with stakeholder groups (e.g., Governor's Advisory Council for Exceptional Citizens) and its assessment provider.
4.5.2 The portfolio alternate assessment shall assess students on Delaware's extended standards in English Language Arts (including communication), Mathematics, Science, and Social Studies as well as additional domains such as life skills, self-determination, community-based instruction, or vocational training. The additional domains may be aligned with students' IEP goals, but are not limited to skills on the IEP.
4.5.3 Educators shall gather and document evidence of student achievement with regard to the content standards and additional domain areas, in accordance with the portfolio design and student progress criteria as determined by the Department, in consultation with stakeholder groups (e.g., Governor's Advisory Council for Exceptional Citizens) and its assessment provider.
4.5.4 Portfolios submitted by teachers on behalf of students shall be evaluated using a scoring rubric as determined by the Department, in consultation with stakeholder groups (e.g., Governor's Advisory Council for Exceptional Citizens) and its assessment provider. Only the portions of the portfolio aligned to the extended standards shall be included in the State, LEA and school accountability.
4.6 Alternate Assessment - Unusual Number Review
4.6.1 Combined Alternate Assessment Review
4.6.1.1 At the end of each test window the Department shall calculate the number of students receiving a Performance Level 3 and 4 in both the selected response alternate assessment and the portfolio alternate assessment for each LEA.
4.6.1.2 If that number exceeds 1% of the total number of students participating in the general assessment and alternate assessment combined within that LEA, the Department shall conduct a review.
4.6.2 Portfolio Alternate Assessment Review
4.6.2.1 At the end of each test window the Department shall calculate the number of students participating in the portfolio alternate assessment for each LEA.
4.6.2.2 If that number exceeds 10% of the total number of students participating in both the selected response alternate assessment and portfolio alternate assessment within that LEA, the Department shall conduct a review.
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
5.0 Levels of Performance
5.1 There shall be 4 levels of student performance relative to the content standards on the State’s general and alternate assessments administered to:
5.1.1 All students in grades 3 through 8 and 11 in English Language Arts and Literacy and Mathematics; and
5.1.2 All students in grades 5 and 8 in Science, and students taking a high school Biology course; and
5.1.3 All students in grades 4 through 8 and 11 in Social Studies.
5.2 The cut points for Performance Levels 1 through 4 shall be determined by the Department with the consent of the State Board of Education, using advice from a standard setting body. The standard setting body shall utilize a proven method for setting standards on test instruments that utilizes student assessment data in making the recommendation. Said levels are defined and shall be determined as follows:
5.2.1 Performance Level 4: A student's performance in the tested domain goes well beyond the fundamental skills and knowledge required for students to be at adequate understanding. Students in this category show mastery and thorough understanding of the Delaware content standards beyond what is expected at the grade level. The cut points for Performance Level 4 shall be determined by the Department, with the consent of the State Board of Education.
5.2.2 Performance Level 3: A student's performance in the tested domain indicates an understanding of the fundamental skills and knowledge articulated in the Delaware content standards. Students in this category show mastery and have adequate understanding of the Delaware content standards at grade level. The cut points for Performance Level 3 shall be determined by the Department, with the consent of the State Board of Education.
5.2.3 Performance Level 2: A student's performance in the tested domain shows a partial or incomplete understanding of the fundamental skills and knowledge articulated in the Delaware content standards. The cut points for Performance Level 2 shall be determined by the Department, with the consent of the State Board of Education.
5.2.4 Performance Level 1: A student's performance in the tested domain shows minimal understanding and evidence of an inability to apply the fundamental skills and knowledge articulated in the Delaware content standards.
7 DE Reg. 51 (07/01/03)
8 DE Reg. 425 (09/01/04)
10 DE Reg. 676 (10/01/06)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
6.0 Other Indicators of Student Performance (Suspended pursuant to the annual appropriations bills beginning in FY08)
6.1 Local school districts and charter schools may consider other indicators of student performance relative to the state content standards pursuant to 14 Del.C. §153 when determining the placement of students who score at Level 1 or Level II on a mandated retake of a portion of the DCAS. Pursuant to 14 Del.C. §153, local school districts and charter schools may also consider other indicators of student performance relative to the state content standards when determining if a student may advance to the next grade level without attending summer school. The only other indicators of student performance that may be considered by a local school district or charter school are: student performance on district administered tests pursuant to 14 Del.C. §153; student performance on end of course assessments; student classroom work products and classroom grades supported by evidence of student work that demonstrates a student’s performance pursuant to 14 Del.C. §153.
6.2 Any local school district or charter school planning to use other indicators of student performance shall submit the proposed indicators to the Department by September 1st of each year.
6.2.1 Any such submission must include a demonstration of how an indicator of student performance aligns with and measures state content standards and the level of performance required to demonstrate performance equivalent to meeting state content standards.
6.2.2 Any proposed indicators of student performance must be approved by the Department of Education following consultation with the State Board of Education.
6.3 An academic review committee composed of educators in the student’s local school district or charter school may then determine if a student has demonstrated proficient performance relative to the state content standards using evidence from the other indicators of student performance as approved by the Department.
6.3.1 The academic review committee shall be composed of two classroom teachers from the student’s tested grade, one classroom teacher from the grade to which the student may be promoted, one school counselor or other student support staff member and two school building administrators.
6.3.2 The supervisor of curriculum or instruction for the school district or charter school or designee shall chair the committee.
6.3.3 Placement of students with disabilities who are eligible for special education and related services is determined by the student’s IEP team.
7 DE Reg. 325 (09/01/03)
10 DE Reg. 676 (10/01/06)
10 DE Reg. 1425 (03/01/07)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
7.0 Individual Improvement Plan (IIP) (Suspended pursuant to the annual appropriations bills beginning in FY08)
7.1 The following students are required to have an Individual Improvement Plan: Students who score below Level 3 Meets the Standard, on the reading portion of the 3rd, 4th, 5th, 6th, 7th, or 8th grade DCAS or the mathematics portion of the 6th, 7th, or 8th grade DCAS shall have an Individual Improvement Plan prepared by school personnel and signed by the teacher(s), principal or designee and the student’s parent, guardian or Relative Caregiver.
7.2 The Individual Improvement Plan shall be on a form adopted by the student’s school district or charter school. The IIP shall be placed in a student’s cumulative file and shall be updated based on the results of further assessments. Such assessments may include further DCAS results as well as local assessments, classroom observations or inventories. For students with an Individualized Education Program (IEP), the IEP shall serve as the Individual Improvement Plan (IIP).
7.3 The Individual Improvement Plan shall at a minimum identify a specific course of study for the student that the school will provide and the academic improvement activities that the student shall undertake to help the student progress towards meeting the standards. Academic improvement activities may include mandatory participation in summer school, extra instruction and mentoring programs.
7.4 The Individual Improvement Plan shall be prepared by school personnel and signed by the teacher(s), principal or designee and the student’s parent, guardian or Relative Caregiver who must sign and return a copy of the student’s Individual Improvement Plan to the student’s school by the end of the first marking period.
7.5 Disputes initiated by a student’s parent or legal guardian or Relative Caregiver concerning the student’s IIP shall be decided by the academic review committee. Any dispute concerning the content of a student’s IEP is subject to resolution in conformity with 14 DE Admin. Code 900.
7 DE Reg. 51 (07/01/03)
8 DE Reg. 425 (09/01/04)
10 DE Reg. 676 (10/01/06)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
8.0 Summer School Programs for Students in Grades 3, 5, and 8 as required pursuant to 14 Del.C. §153 (Suspended pursuant to the annual appropriations bills beginning in FY08)
8.1 Summer school programs shall be provided by the student’s district of residence with the following exceptions:
8.1.1 Where a student attends another district as a result of school choice or attends a charter school, the district of choice or charter school shall provide the summer school program.
8.1.2 Where by mutual agreement of both districts or a charter school and the student’s parent, guardian or Relative Caregiver, another district provides services.
8.1.3 Where by mutual agreement of the student’s school district or a charter school and the student’s parent, guardian or Relative Caregiver, the parent, guardian or Relative Caregiver arranges for summer school instruction to be provided outside the public school system. Under such conditions the parent, guardian or Relative Caregiver shall be responsible for the cost of providing nonpublic school instruction unless the districts or the charter school and parents or guardian agree otherwise. Requirements for secondary testing shall be met.
8.1.4 Where a student has been offered admission into a career technical school district or charter school, that district or charter school may provide summer school services.
8 DE Reg. 425 (09/01/04)
9 DE Reg. 1175 (02/01/06)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
9.0 State of Delaware High School Diploma Requirements (Suspended pursuant to the annual appropriations bills beginning in FY08)
9.1 Students who graduate from a Delaware public high school shall meet the following requirements for receipt of a traditional State of Delaware diploma:
9.1.1 The student shall meet all of the requirements as specified in 14 DE Admin. Code 505, and shall meet any other additional criteria as determined by the local district or charter school; and
9.1.2 The student shall demonstrate proficient levels of performance relative to the State content standards in reading, mathematics, science and social studies. The student may demonstrate proficient levels of performance through Other Academic Indicators.
9.1.3 A student who does not demonstrate proficient performance relative to the state content standards by January 1 of the year in which the student is scheduled to graduate; or who has enrolled from another state or nonpublic school in Delaware during the school year in which the student is scheduled to graduate shall have the school or charter school academic review committee review additional Other Academic Indicators of student performance for purposes of satisfying 9.1.2 of this regulation. The only Other Academic Indicators of student performance that may be considered by a local school district or charter school are: student performance on district administered tests pursuant to 14 Del.C. §153(e); student performance on end of course assessments; student classroom work products; and classroom grades supported by evidence of student work that demonstrates a student’s performance pursuant to 14 Del.C. §153(a). The district or charter school shall make the determination of whether the student has demonstrated proficient performance relative to the state content standards.
9.1.3.1 Any local school district or charter school planning to use Other Academic Indicators of student performance shall submit the other academic indicators to the Department, for recording and filing purposes only, by September 1st of each year.
9.1.3.2 An academic review committee composed of educators in the student's local school district or charter school may then determine if a student has demonstrated proficient performance relative to the state content standards using evidence from the Other Academic Indicators of student performance.
7 DE Reg. 51 (07/01/03)
8 DE Reg. 425 (09/01/04)
9 DE Reg. 1175 (02/01/06)
10 DE Reg. 1425 (03/01/07)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
10.0 Security and Confidentiality
10.1 In order to assure uniform and secure procedures, the DeSSA shall be administered pursuant to the DeSSA Test Security Manual, as DeSSA may, from time to time, be amended.
10.1.1 Every district superintendent, charter school leader, District Test Coordinator, school principal, and School Test Coordinator shall sign the certification provided by the Department regarding assessment security before, during and after assessment administration.
10.1.2 All individuals participating in the administration of any general and alternate assessment shall complete corresponding training and affix their signature to the DeSSA Security Form. These individuals include district superintendents, charter school leaders, District Test Coordinators, School Test Coordinators, school principals, school counselors, certified teachers, and any non-certified professional or support staff.
10.1.3 Violation of the security or confidentiality of any assessment required by the Delaware Code and Title 14 of the Delaware Administrative Code shall be prohibited.
10.1.4 Procedures for maintaining the security and confidentiality of an assessment shall be specified in the appropriate assessment administration materials, as determined by the Department pursuant to 14 Del.C. §170 through §174.
10.2 Procedures for Reporting Security Incidents
10.2.1 School Test Coordinators shall report any potential test security incidents to the District Test Coordinators immediately following procedures established by the Department.
10.2.2 District Test Coordinators shall report all potential test security incidents immediately to the State Director of the Office of Assessment following procedures established by the Department.
10.2.2.1 Within 5 working days of the incident the District Test Coordinator shall file a written report with the State Director of the Office of Assessment that includes the sequence of events leading up to the situation, statements by everyone interviewed, and any action either disciplinary or procedural, taken by the district or charter school.
10.2.2.2 Following a review of the report by the State Director of the Office of Assessment and the Associate Secretary, an investigator from the Department may be assigned to verify the district or charter school report.
10.2.2.3 The assigned investigator shall meet with the district or charter school personnel involved in the alleged violation. The meeting will be scheduled through the District Test Coordinators, and the investigator shall be provided access to all parties involved and to any witnesses. The assigned investigator will investigate with due diligence towards timely resolution.
10.2.2.4 The investigator shall report the findings to the Associate Secretary. Following the review, the Associate Secretary shall make a decision and recommendations for further actions including licensure actions in accordance with 14 Del.C. §1218.
10.2.2.5 All information and records shall be kept by the Investigations Unit of the Department, per its standard protocol. The assigned investigator will investigate with due diligence towards timely resolution.
10 DE Reg. 676 (10/01/06)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
11.0 Procedures for Reviewing Secure Materials from the State Assessment System
11.1 A student’s current teacher, an eligible student, or a student’s parent, guardian, or relative caregiver may request to review the general assessment questions for a specific student or students subject to the following provisions:
11.1.1 Any request to review a general assessment item shall be done on a form developed by the Department which will include a list of permissible item types for review. The completed and signed form shall be sent to the State Director of the Office of Assessment.
11.1.2 A teacher’s request shall include an appropriate reason for reviewing the student’s assessment. Appropriate reasons shall include the following: concerns about incorrect scoring; suspicion of misattribution of scores; or other reasons acceptable to the Department.
11.1.3 The Department shall be allowed sufficient time to secure a copy of the student’s assessment questions and corresponding responses from the assessment vendor.
11.1.4 The Department shall arrange a mutually convenient time and location for a meeting to review the assessment information with the requesting individuals. At the time of the appointment, the individual shall: provide proper identification upon arrival, sign a confidentiality document, remain with a Department staff member while reviewing the assessment questions, and take nothing out of the viewing area.
11.1.5 The Department shall review the procedures for viewing the items for a specific student or students, assist the individuals with understanding the score results, and keep records of all reviews.
4 DE Reg. 464 (09/01/00)
5 DE Reg. 620 (09/01/01)
8 DE Reg. 425 (09/01/04)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
12.0 Invalidations and Special Exemptions
12.1 There may be invalidations for students taking any general or alternate assessments. An invalidation is a response to an incident, event, or situation that occurs during the administration of the assessments which may result in a statistically unreliable or invalid score report for a student. Invalidating a student's test eliminates the test results, and the student does not receive a valid score for accountability purposes, and the student is not counted as a participant in the assessment. The Department may invalidate any test under the following conditions:
12.1.1 A test security breach;
12.1.2 An improper or irregular administration resulting in unreliable scores, whether intentional or accidental; or
12.1.3 Student misconduct resulting in unreliable scores.
12.2 After reviewing the circumstances of an incident, the Department may elect only to document the above conditions as testing irregularities rather than to invalidate the test.
12.3 Reporting of events or situations that occur during assessment.
12.3.1 The school building principal or designee shall notify the District Test Coordinator in writing within 24 hours of incidents, events, or situations that the principal reasonably believes may result in an invalid score report for a student.
12.3.2 The District Test Coordinator shall notify the Department staff person assigned to the district or charter school for assessment security purposes as soon as the Coordinator learns of events or situations which may result in invalidation. The District Test Coordinator shall submit an Incident Report Form within 3 business days of the events. Written reports from the building principal or designee and any staff must be included with the Incident Report.
12.3.3 The State Director of the Office of Assessment for the Department shall determine whether the reported events warrant invalidating a student’s score and such decision shall be final.
12.4 There may be special exemptions for students in grades 3 through 8 and 11 for English Language Arts and Literacy and Mathematics; students in grades 5 and 8 in Science, and students taking a high school Biology course; and students in grades 4 through 8 and 11 in Social Studies.
12.4.1 A special exemption may be available when any 1 of the following applies:
12.4.1.1 The student is suffering from severe illness or injuries or the student has recently experienced severe traumatic events;
12.4.1.2 The student is medically admitted to, or is ordered by the court to attend an alternative program;
12.4.1.3 The student is serving time at an adult prison; or
12.4.1.4 Other situations identified by the school and evaluated and approved by the Department.
12.4.2 The District Test Coordinator shall submit a Request for Special Exemption to the State Director of the Office of Assessment at the Department according to the timeline published by the Department. A copy of the healthcare provider’s statement shall be required for subsection 12.4.1.1 in the preceding subsection and shall be maintained as documentation at the school or district.
12.4.2.1 The State Director of the Office of Assessment shall convene a review committee of not less than 3 Department staff to review requests for special exemptions.
12.4.2.2 The Office of Assessment shall decide whether a request for a special exemption should be granted. The Office of Assessment shall notify the District Test Coordinator of the decision. The Office of Assessment decision shall be final.
12.4.3 Consequences of Special Exemptions.
12.4.3.1 Any special exemption granted by the Department is limited to the assessment period for which it was requested and does not carry forward to future assessment administrations.
12.4.3.2 Students who are granted a special exemption shall not be included in the participation rate calculation for school and district accountability pursuant to 14 DE Admin. Code 103, subsection 2.4.
4 DE Reg. 464 (09/01/00)
5 DE Reg. 620 (09/01/01)
5 DE Reg. 2115 (05/01/02)
7 DE Reg. 51 (07/01/03)
7 DE Reg. 325 (09/01/03)
8 DE Reg. 425 (09/01/04)
9 DE Reg. 1175 (02/01/06)
10 DE Reg. 676 (10/01/06)
10 DE Reg. 1425 (03/01/07)
14 DE Reg. 1340 (06/01/11)
18 DE Reg. 556 (01/01/15)
28 DE Reg. 220 (09/01/24)
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