property

d) For purposes of this section, "nonprofit corporation" means
any nonprofit corporation (1) formed in accordance with the
provisions of a joint powers agreement to carry out functions
specified in the agreement; (2) that issued bonds, the interest on
which is exempt from federal income taxes, for the purpose of
purchasing land as a site for, or purchasing or constructing, a
building, stadium, or other facility, that is subject to a lease or
agreement with a local public entity; or (3) wholly owned by a public
agency.

in reference to: CA Codes (gov:12460-12468) (view on Google Sidewiki)