Section 873.150.

Cal. Code of Civil Procedure - CCP § 873.150.
in effect
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A contract for the services of an attorney, surveyor, auctioneer, or other third person may provide for the accrual of interest at a rate not in excess of the legal rate for amounts due under the contract that are not paid within three months after the time they become due and payable.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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