PRC §3125.3: (a) This section applies only to work performed by contractors licensed by the Contractors State License Board under contracts for the performance of construction, alteration, demolition, installation

(a) This section applies only to work performed by contractors licensed by the Contractors State License Board under contracts for the performance of construction, alteration, demolition, installation, repair, or work, including the plugging and abandonment of wells, decommissioning of production facilities, or otherwise remediating well sites, pursuant to Section 3226 or 3255, that are awarded, extended, or renewed on or after January 1, 2028. (b) The division, when contracting for the performance of construction, alteration, demolition, installation, repair, or work, including the plugging, and abandonment of wells, decommissioning of production facilities, or otherwise remediating well sites pursuant to Section 3226 or 3255, shall require that contractors and any subcontractors at every tier will use a skilled and trained workforce to perform all work on the project or contract that falls within an apprenticeable occupation in the building and construction trades, in accordance with Chapter 2.9 (commencing with Section 2600) of Part 1 of Division 2 of the Public Contract Code. (c) The requirements of this section are satisfied if all contractors and subcontractors for the performance of construction, alteration, demolition, installation, repair, or work, including the plugging and abandonment of wells, decommissioning of production facilities, or otherwise remediating well sites, are required to become bound to a multicraft project labor agreement that expressly requires each contractor and subcontractor performing the work to use a skilled and trained workforce. For purposes of this subdivision, “project labor agreement” has the same meaning as set forth in paragraph (1) of subdivision (b) of Section 2500 of the Public Contract Code.