(b)

1. (1) Notwithstanding any other provision of law, including the charter of any city or city and county, referendum petitions circulated in cities or counties over 500,000 in population shall bear valid signatures numbering not less than 10 percent of the total votes cast within the city or county for Governor at the last gubernatorial election.
2. (2) Notwithstanding any other provision of law, including the charter of any city or city and county, or Section 9242 of the Elections Code, the referendum petitions of all cities and counties shall be submitted to the clerk of the legislative body within 90 days of the adoption of an ordinance subject to referendum under this act.

(c) With respect to any ordinance that is subject to referendum pursuant to Sections 33365 and 33450 and either provides for tax-increment financing pursuant to Section 33670 or expands a project area that is subject to tax-increment financing, the referendum measure shall include, in the ballot pamphlet, an analysis by the county auditor-controller and, at the option of the legislative body, a separate analysis by the agency, of the redevelopment plan or amendment that will include both of the following:

1. (1) An estimate of the potential impact on property taxes per each ten thousand dollars ($10,000) of assessed valuation for taxpayers located in the city or county, as the case may be, outside the redevelopment project area during the life of the redevelopment project.
2. (2) An estimate of what would happen to the project area in the absence of the redevelopment project or in the absence of the proposed amendment to the plan.