A mortgage loan originator, mortgage lender, a mortgage broker, or a mortgage dual authority licensee shall not use an appraisal conducted for real property located in the District of Columbia, which will be used to secure a mortgage loan, unless the appraisal was conducted by an appraiser that is licensed and authorized to conduct business in the District of Columbia.
D.C. Mun. Regs. tit. 26, r. 26-C1119