Slaby v. DC Rental Housing Commission [PDF], 685 A.2nd 1166 (1996) - Sublessor was statutorily prohibited from charging subtenants more rent than she paid to her landlord even if she paid utility and repair expenses associated with rental units; sublessor could not bear those expenses and pass them on to subtenants in form of rent.
Young v. District of Columbia [PDF], 752 A.2nd 138 (2000) – Assuming that apartment occupant was tenant’s subtenant, tenant could not evict him except through court process.