D.C. Mun. Regs. tit. 3, § 1902
1902.1 The Board shall identify each Advisory Referendum with a letter of the alphabet.
1902.2 The first Advisory Referendum shall be designated as "Advisory Referendum 'A'." Succeeding advisory referenda shall be identified as "B," "C," and so on.
1902.3 Once assigned a designation, an Advisory Referendum shall be known and identified on all election ballots, and throughout all proceedings as "Advisory Referendum '_ '."
SOURCE: Final Rulemaking published at 40 DCR 7083 (October 8, 1993).