US lawDistrict of ColumbiaRegulationsTitle 9 — TAXATION AND ASSESSMENTSChapter 9-4 — SALES AND USE TAXES4799 DCMR 479479. [RESERVED]ReservedLength: 2 wordsOfficial source Cite as D.C. Mun. Regs. tit. 9, § 479479 [RESERVED]Previous9 DCMR 478Next9 DCMR 490