Cal. Health & Saf. Code § 33413.5
Not less than 30 days prior to the execution of an agreement for acquisition of real property, or the execution of an agreement for the disposition and development of property, or the execution of an owner participation agreement, which agreement would lead to the destruction or removal of dwelling units from the low- and moderate-income housing market, the agency shall adopt by resolution a replacement housing plan. For a reasonable time prior to adopting a replacement housing plan by resolution, the agency shall make available a draft of the proposed replacement housing plan for review and comment by the project area committee, other public agencies, and the general public.
The replacement housing plan shall include (1) the general location of housing to be rehabilitated, developed, or constructed pursuant to Section 33413, (2) an adequate means of financing such rehabilitation, development, or construction, (3) a finding that the replacement housing does not require the approval of the voters pursuant to Article XXXIV of the California Constitution, or that such approval has been obtained, (4) the number of dwelling units housing persons and families of low or moderate income planned for construction or rehabilitation, and (5) the timetable for meeting the plan's relocation, rehabilitation, and replacement housing objectives. A dwelling unit whose replacement is required by Section 33413 but for which no replacement housing plan has been prepared, shall not be destroyed or removed from the low- and moderate-income housing market until the agency has by resolution adopted a replacement housing plan.
Nothing in this section shall prevent an agency from destroying or removing from the low- and moderate-income housing market a dwelling unit which the agency owns and which is an immediate danger to health and safety. The agency shall, as soon as practicable, adopt by resolution a replacement housing plan with respect to such dwelling unit.
Ca. Health and Saf. Code § 33413.5