D.C. Mun. Regs. tit. 5-A, § 2812
2812.1 In accordance with chapter A-23 and section 3019 of chapter E-30 of Title 5 of the DCMR, every nonpublic special education school or program shall ensure that every District of Columbia student with an IEP enrolled in a nonpublic special education school or program is appropriately included in either the District of Columbia statewide assessment system or alternate assessment approved by OSSE.
2812.2 A nonpublic special education school or program shall ensure that statewide assessments are administered according to the test security guidelines published by OSSE.
2812.3 The nonpublic special education school or program shall ensure a student's IEP shall include a specific finding that the student is eligible for participation in the alternate assessment based upon the alternate academic achievement standards, OSSE state level guidelines for participation in alternate assessments, and other applicable guidance issued by OSSE.
2812.4 Unless specifically required by a student's IEP, the nonpublic special education school or program and the sending LEA shall not substitute an alternate assessment based on alternate academic achievement standards for the general statewide assessment for any student.
Source: Final Rulemaking published at 57 DCR 9444, 9454 (October 8, 2010).