D.C. Mun. Regs. tit. 20, § 2604
2604.1 A manufacturers shall retain and make data available as follows:
(a) Retain data from tests conducted on cigarettes that are offered for sale in the District pursuant to this chapter for three (3) years; and
2. Make data available to the Chief and the Attorney General upon written request to verify compliance with the performance standard required under § 2602.
SOURCE: Final Rulemaking published at 54 DCR 10012 (September 26, 2008).