For purposes of this chapter: (a) “Assessment contract” means an agreement entered into between all property owners of record on real property and a public agency in which, for voluntary contractual assessments imposed on the real property, the public agency provides a PACE assessment for the installation of one or more efficiency improvements on the real property in accordance with a PACE program, specified in paragraph (2) of subdivision (

a) of

Section 5898.20 or

Section 5899, 5899.3, or 5899.4, or a special tax described in

Section 53328.1 of the Government Code. (b) “Authorized representative” means an attorney-in-fact, as defined in

Section of the Probate Code, or conservator of the estate, as defined in

Section of the Probate Code, of the property owner. (c) “Efficiency improvement” means one or more permanent improvements fixed to real property. (d) “PACE assessment” means a voluntary contractual assessment, voluntary special tax, or special tax, as described in subdivisions (a), (b), and (

c) of

Section of the Public Resources Code. (e) “PACE program” means a program in which financing is provided for the installation of efficiency improvements on real property and funded through the use of property assessments, as well as other program components defined in this section, established pursuant to any of the following:

(1) Chapter 29 (commencing with

Section 5898.10) of Part of this code.

(2) The Mello-Roos Community Facilities Act of 1982 (Chapter 2.5 (commencing with

Section 53311) of Part of Division of Title of the Government Code).

(3) A charter city’s constitutional authority under

Section of

Article XI of the California Constitution. (f) “Program administrator” means an entity administering a PACE program on behalf of, and with the written consent of, a public agency. (g) “Property owner” means all property owners of record on the property subject to the PACE assessment. (h) “Public agency” means a city, including a charter city, county, city and county, municipal utility district, community services district, community facilities district, joint powers authority, sanitary district, sanitation district, or water district, as defined in

Section of the Water Code, that has established or participates in a PACE program, and utilizes a program administrator. (

i) This

section shall remain in effect only until January 1, 2029, and as of that date is repealed.