Sec. 175.26. Posting of business signs

For purposes of compliance with subdivision 3 of section 441-a of article 12 of the Real Property Law, in an apartment building where the posting of signs is not permitted in the lobby pursuant to the rules and regulations of the building, said sign must be posted on the corridor wall next to the entrance door of the dwelling unit or on the entrance door of the dwelling unit or on the entrance door of the dwelling unit in which the business is conducted.