D.C. Mun. Regs. tit. 22-C, § 9719
9719.1 Unless otherwise required, within ninety (90) calendar days after the close of the record, the Board shall render its written decision accompanied by Findings of Fact and Conclusions of Law.
9719.2 Findings of Fact and Conclusions of Law shall consist of a concise statement of the Board's conclusions on each contested issue of fact and shall be based solely upon evidence contained in the record and facts of which the Board properly took judicial notice.
9719.3 Findings of Fact and Conclusions of Law shall be supported by and in accordance with reliable, probative, and substantial evidence.
9719.4 All written decisions of the Board shall be available for public inspection and copying at a reasonable cost.
SOURCE: Final Rulemaking published at 73 DCR 002136 (February 20, 2026).