(

a) If the state fails to make payments to a city or county pursuant to

Section or 16142.1, or if the state provides a reduced subvention, a city or county may accept contributions from a nonprofit land-trust organization, a nonprofit entity, or a public agency for specific land under a contract within the city or county to supplement foregone property tax revenues pursuant to this section. (b)

(1) A nonprofit land-trust organization, nonprofit entity, or public agency may contract with an owner of land currently under a contract pursuant to this chapter, upon approval of the contract by the city or county, for a period of up to years, to keep the landowner’s property under contract with the county pursuant to this chapter, in exchange for the contribution by the nonprofit land-trust organization or nonprofit entity’s payment for an equivalent period of years of all or a portion of the foregone property tax revenue to the city or county.

(2) A contract entered into pursuant to this subdivision shall be subject to any limitation in power of a nonprofit land-trust organization, nonprofit entity, or public agency.

(3) A contract entered into pursuant to this subdivision shall not authorize or require the conversion of land subject to the contract into a mitigation bank site. (

c) In implementing this section, a city or county shall not request or require additional conditions or restrictions on the land or the landowner for existing or future contracts. (

d) This

section shall not be construed as a limitation on the right of a landowner to engage in other lawful contracts or transactions with respect to their land, including, but not limited to, contracts entered into pursuant to this chapter. (

e) As used in this section, “nonprofit land-trust organization” means a nonprofit land-trust organization as defined in subdivision (

b) of

Section 5011.7 of the Public Resources Code. (

f) No contract shall be entered into on or after January 1, 2016, unless a later enacted statute, that is enacted before January 1, 2016, deletes or extends that date.