Health and Safety Code § 51227

At the close of each fiscal year the agency shall ascertain that not less than 25 percent of the total units financed by mortgage loans during the preceding 12 months pursuant to this part were made available to very low-income households. At the close of each fiscal year the agency shall ascertain that not less than 25 percent of all units financed pursuant to this part by mortgage loans are occupied or available to very low-income households.