. Any person operating an apartment house in the District of Columbia is required to have a certificate of occupancy (see D.C.Code 1973, § 5-422; D.C. Zoning Regs., § 8104.1) and a housing business license. (See D.C.Code 1973, §§ 47-2301, -2328; D.C. Housing Regs., § 3102.1.) 2 .The following violations were found to have existed: 1. Intermittent supply of heat and hot water. 2. Broken front door lock. 3. Collapsing kitchen ceiling plaster. 4. Broken oven. 5. Broken window glass in both bedrooms. 6. Roach infestation throughout the apartment. 7. Broken refrigerator. 8. Running toilet plumbing. 9. Broken floor tile in the bathroom. 10. Broken window closure mechanisms in bedrooms. 11. Peeling paint and loose plaster in the bedrooms. 12. Leaking kitchen faucet. 13. Hole under sink.