D.C. Mun. Regs. tit. 3, r. 3-1010
After it certifies that an initiative petition is numerically sufficient for ballot access, the Board shall conduct an election on the initiative measure during the next primary, general or city-wide special election held at least 90 days after the date on which the petition was certified as numerically sufficient.
After it certifies that an initiative petition is numerically sufficient for ballot access, the Board shall conduct an election on the referendum measure within one hundred and fourteen (114) days after the date on which the petition was certified as numerically sufficient, provided that if a previously scheduled primary, general, or special election will occur between 54 and 114 days after the date the measure has been certified as numerically sufficient, the Board may conduct the election on the referendum measure during that election.
The Board shall publish the established legislative text in no less than two (2) newspapers of general circulation in the District of Columbia within thirty (30) calendar days after the date of certification of the initiative or referendum petition as numerically sufficient for ballot access.
D.C. Mun. Regs. tit. 3, r. 3-1010