Health and Safety Code § 34001

(a) Except as specifically provided in this part, a community shall comply with the Community Redevelopment Law.

(b) A community may establish a redevelopment agency, and adopt and implement a redevelopment plan pursuant to this part, within a disaster area if the community has commenced the adoption of the redevelopment plan within six months after the President of the United States has determined the disaster to be a major disaster pursuant to paragraph (1) of subdivision (a) of Section 34002 and the legislative body has adopted the redevelopment plan within 24 months after the President of the United States has determined the disaster to be a major disaster pursuant to paragraph (1) of subdivision (a) of Section 34002.