D.C. Mun. Regs. tit. 14, r. 14-107
Any owner, licensee, or operator of any premises subject to the provisions of this subtitle who is adversely affected by a determination made pursuant to this subtitle or title I or II of the Department of Consumer and Regulatory Affairs Civil Infractions Act of 1985 may file an appeal in writing with the Board of Appeals and Review.
The appeal shall be filed within ten (10) days after the date of service of the notice of violation unless, in the public interest, the notice of violation specifies a period of less than ten (10) days, but not less than twenty-four (24) hours, within which to file an appeal, except as provided in subsection 107.3.
If a request for a variance has been submitted to the Director in accordance with the provisions of section 109, the appeal shall be filed within ten (10) days after the date of service of the notice of the final determination on that request for a variance.
D.C. Mun. Regs. tit. 14, r. 14-107