D.C. Mun. Regs. tit. 3, § 3005
3005.1 With the exception of persons who make independent expenditures under the Act, only a candidate's designated principal campaign committee, and its authorized committees, pursuant to § 3000.6, shall accept contributions or make expenditures on behalf of that candidate.
3005.2 An individual who is a candidate for more than one (1) office shall designate a separate principal campaign committee for each office sought, except in accordance with § 3005.3.
3005.3 A principal campaign committee supporting the nomination or election of a candidate as an official of a political party may support the nomination or election of more than one (1) candidate as an official of a political party.
3005.4 The principal campaign committee shall process contributions in the following manner:
(a) Contributions received by check, money order or other written instrument shall be consigned directly to the principal campaign committee; and
(b) The proceeds of any monetary instruments listed in subsection (a), cashed or redeemed by the candidate, pursuant to § 3004.2 shall be disallowed by the principal campaign committee and reported by the candidate pursuant to § 3005.1.
3005.5 No contributions shall be commingled with the candidate's personal funds or accounts.
SOURCE: Final Rulemaking published at 45 D.C. Reg. 3161, 3166-67 (May 22, 1998); and amended at 49 D.C. Reg. 2731 (March 22, 2002).