No mausoleum or columbarium shall be constructed and no existing building or structure shall be altered for use as a mausoleum or columbarium unless the entire building or structure, including any portion to be used for any other purpose, is in conformity with the minimum requirements set forth in this chapter. Any addition to or alteration of any existing mausoleum or columbarium shall conform to the minimum requirements set forth in this chapter.
Ca. Health and Saf. Code § 9600