Notwithstanding any other provision of this part, an owners’ association shall comply with the Ralph M. Brown Act (Chapter 9 (commencing with Section 54950) of Part 1 of Division 2 of Title 5 of the Government Code), at all times when matters within the subject matter of the district are heard, discussed, or deliberated, and with the California Public Records Act (Chapter 3.5 (commencing with Section 6250) of Division 7 of Title 1 of the Government Code), for all documents relating to activities of the district.