Except when grammatical and contextual usage dictates otherwise, any reference to “facility” within this Article shall refer to a “user” as defined in section 30100. When contextual usage so dictates, “facility” shall have the meaning specified in section 30315.10. This section may not be construed to allow the performance of mammography in violation of the Act or this regulation, as defined in section 30100, the Radiologic Technology Act as defined in Health and Safety Code section 27(f), or any federal law or regulation pertaining to mammography.