Cal. Health & Saf. Code § 25536.9
On or before February 1, 2018, an owner or operator of a stationary source that claims that it is exempt from the requirement in paragraph (1) of subdivision (a) of Section 25536.7 pursuant to the exception in paragraph (4) of subdivision (a) of Section 25536.7 shall file with the unified program agency a complete copy of the contract described in paragraph (4) of subdivision (a) of Section 25536.7 and a second copy of that contract that has been redacted only to the extent necessary to protect sensitive information and that shall include the identity of the contractor, the scope of the work covered by the contract, the date of execution of the contract, and the term of the contract. The complete copy of the contract that is not redacted is not a public record and shall be kept confidential by the unified program agency. The redacted copy of the contract shall be a public record available for inspection from the unified program agency.
Ca. Health and Saf. Code § 25536.9