When the contractor, at the time of execution of the contract, exercises his option to assign the warrant, assessment, and diagram to the legislative body, payments of installments may be made in the manner provided under the provisions of Section 5374.1 for installment payment of contributions.
Source:
Section 5135.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=SHC§ionNum=5135.5..