Cal. Health & Safety Code § 34515

A state public body may enter into agreements with a housing authority or the Federal Government respecting action to be taken by the state public body pursuant to this chapter. Notwithstanding any law to the contrary, the agreements may extend over any period of time not to exceed 45 years from the end of the year in which any such project becomes available for occupancy. Such time limitation shall not apply to any agreements entered into prior to the effective date hereof.