D.C. Mun. Regs. tit. 15, § 3905
3905.1 An energy utility shall not provide loans or loan guarantees to an affiliate or to the holding company. The general prohibition includes use of utility rate base asset as collateral for any affiliate or holding company activity.
3905.2 Notwithstanding any provision to the contrary, an energy utility may participate in a cash management or money pool subject to federal regulations of the Securities and Exchange Commission or the Federal Energy Regulatory Commission.
Source: Notice of Final Rulemaking published at 58 DCR 1109, 1115 (February 4, 2011).