§ 25. Application of article three. Except as otherwise expressly
provided, all the provisions of this article shall apply to every
multiple dwelling erected after April eighteenth, nineteen hundred
twenty-nine. Except as otherwise expressly provided, only the following
enumerated sections of this article, and then only to the extent
required therein, shall apply to multiple dwellings, whether class A or
class B, erected before such date:

§ 28. Two or more buildings on 59. Bakeries and fat boiling

same lot 60. Motor vehicle storage

29. Painting of courts and 61. Business uses

shafts 62. Parapets, guard railings

31. Size of rooms--subdi- and wires--subdivision two

vision six 66. Lodging houses

33. Cooking spaces 67. Hotels and certain other

35. Entrance doors and class A and B dwellings

lights 75. Water supply

37. Artificial hall lighting 76. Water-closet and bath

50-a. Entrances: doors, accommodations

locks and intercommunication 77. Plumbing and drainage

systems 78. Repairs

52. Stairs 79. Heating

55. Wainscoting 80. Cleanliness

56. Frame buildings and 81. Receptacles for waste

extensions matter

57. Bells; mail receptacles 83. Janitor or housekeeper

58. Incombustible materials