Relates to certain alterations to multiple dwellings; repealer

This bill modifies the Multiple Dwelling Law to update how construction and alteration rules apply to apartment buildings, particularly in large cities. It repeals several outdated sections and clarifies that rooms like kitchens and bathrooms must have windows opening directly to the street or a yard. The legislation also sets specific requirements for outdoor space, cellar entrances, and bathroom access in new and altered buildings. While it removes older regulations, it preserves certain previous rules for properties with permits filed before specific historical dates. These changes aim to standardize building codes and ensure safety and light standards across different types of residential structures.