521 CMR 11.00: COMMERCIAL BUILDINGS 11.1 GENERAL The design of commercial buildings shall comply with 521 CMR, except as specified or modified in 521 CMR 11.00. Commercial buildings are public buildings as defined in 521 CMR and shall include but not be limited to: the part or parts of buildings where a service or product is offered to the public and into which a member of the public may enter including but not limited to: doctors', dentists', and counseling offices, chiropractors', psychologists' and psychiatrists' offices, lawyers', and accountants' offices, insurance companies, veterinarians, realtors, travel agents, as well as city and town halls and facilities. 11.2 COMMERCIAL FACILITIES LOCATED IN PRIVATE RESIDENCES When a commercial facility is located in a private residence, the portion of the residence used exclusively in the operation of the commercial facility or that portion used both for the commercial facility and for residential purposes shall comply with 521 CMR 11.3 COMMERCIAL CONDOMINIUMS Those spaces in commercial condominiums where the service or product is offered to the public, and those premises which a member of the public may enter shall comply with 521 CMR. 11.4 PUBLIC TOILETS Wherever public toilets are provided for customers, visitors or clientele of said businesses, they are required to comply fully with 521 CMR 30.00:  PUBLIC TOILETS. 11.5 PUBLIC TELEPHONES Wherever public telephones are provided for customers, visitors or clientele of said businesses, they are required to comply fully with 521 CMR 37.00:  PUBLIC TELEPHONES. 11.6 TRANSACTION AREAS Transaction areas in commercial buildings shall comply with 521 CMR 7.2.2 Other transaction areas. 11.00: COMMERCIAL BUILDINGS NON-TEXT PAGE ?? ?? ?? ?? 521 CMR:   ARCHITECTURAL ACCESS BOARD 1/27/06 521 CMR - 55