California Code, Public Contract Code - PCC § 7203

(a) A public works contract entered into on or after January 1, 2016, that contains a clause that expressly requires a contractor to be responsible for delay damages is not enforceable unless the delay damages have been liquidated to a set amount and identified in the public works contract.

(b) “Delay damages” as used in this section, means damages incurred by the public agency for each day after the date on which the work was to be completed by the contractor pursuant to the public works contract.  Delay damages shall not include damages incurred by a public agency after the filing of a notice of completion or, in the absence of a notice of completion, the acceptance by the public agency of the public work as complete.

(c) “Public agency” shall include the state, the Regents of the University of California, a city, charter city, county, charter county, district, public authority, municipal utility, and any other political subdivision or public corporation of the state.

(d) This section shall not be construed to limit a right or remedy that the public agency has to enforce the express terms of the public works contract, except for a clause that expressly requires a contractor to be liable for delay damages.

(e) This section shall not be construed to preclude a public agency from including more than one clause for delay damages for specified portions of work when the delay damages have been liquidated to a set amount for each individual clause and identified in the public works contract.

(f) This section shall not apply to departments identified in Section 10106.