Cal. Revenue and Taxation Code - RTC § 681. Section 681.
(a)
All contracts for the performance of appraisal work for assessors by any person who is not an employee of the state, any county, or any city shall be entered into only after at least two competitive bids and shall be entered into either on a fixed fee basis or on the basis of an hourly rate with a maximum dollar amount.
(b)
In addition to any provision in the Real Estate Appraisers’ Licensing and Certification Law (Part 3 (commencing with Section 11300) of Division 4 of the Business and Professions Code), a contractor shall maintain the confidentiality of assessee information and records as provided in Sections 408, 451, and 481 that is obtained
in performance of the contract.
(1)
A request for information and records from an assessee shall be made by the assessor. The assessor may authorize a contractor to request additional information or records, if needed. However, a contractor shall not request that information or records without the written authorization of the assessor.
(2)
A contractor shall not provide appraisal data in his or her possession to the assessor or a contractor of another county who is not a party to the contract. An assessor may provide that data to the assessor of another county as provided in subdivision (b) of Section 408.
(c)
A contractor may not retain information contained in, or derived from, an assessee’s confidential information and
records after the conclusion, termination, or nonrenewal of the contract. Within 90 days of the conclusion, termination, or nonrenewal of the contract, the contractor shall:
(1)
Purge and return to the assessor any assessee records, whether originals, copies, or electronically stored, provided by the assessor or otherwise obtained from the assessee.
(2)
Provide a written declaration to the assessor that the contractor has complied with this subdivision.
(d)
All contracts entered into pursuant to subdivision (a) shall include a provision incorporating the requirements of subdivisions (b) and (c). This provision of the contract shall use language that is prescribed by the State Board of Equalization.
(e)
For purposes of this section, a “contractor” means any person who is not an employee of the state, any county, or any city who performs appraisal work pursuant to a contract with an assessor.