Carrillon House Tenants’ Association v. DC Rental Housing Commission [PDF], 793 A.2nd 461(2002) - A residential landlord is entitled to recover, through a rent ceiling surcharge, the total interest expense for a capital improvement loan obtained by the landlord, even if the loan term exceeds the 96-month amortization period for the surcharge.

Jerome Management, Inc. and Walker v. DC Rental Housing Commission [PDF], 682 A.2nd 178 (1996) - Rental Housing Commission did not abuse its discretion in applying fixed rate of interest from time housing provider stopped overcharging rent until date Commission affirmed hearing officer’s refund, in light of nine years of protracted administrative delay and lack of evidence that either party was at fault.