D.C. Mun. Regs. tit. 26-C, § 2511
2511.1 Unless otherwise required by law, no seller, as a condition to the extension of credit, shall require a buyer to obtain insurance against loss of or damage to property which is the subject of a sale, or against liability arising out of the ownership or use of the property.
2511.2 The provisions of § 2511.1 shall not apply to transactions where the sales price of the property is one thousand dollars ($ 1,000) or more.
2511.3 If the sales price of property sold is one thousand dollars ($ 1,000) or more, the amount of loss or damage insurance a seller may require a buyer to obtain, as a condition to the extension of credit to the buyer, shall not exceed the sales price of the property insured.
SOURCE: Regulation No. 71-18, 17 DCR 815 (June 28, 1971); 5P DCRR § 3.106.