US lawDistrict of ColumbiaRegulationsTitle 9 โ TAXATION AND ASSESSMENTSChapter 9-4 โ SALES AND USE TAXES4989 DCMR 498498. [RESERVED]ReservedLength: 2 wordsOfficial source Cite as D.C. Mun. Regs. tit. 9, ยง 498498 [RESERVED]Previous9 DCMR 497Next9 DCMR 499