CA AB3290

Prohibits prime contractors from substituting subcontractors listed in original bids except with awarding authority consent for specified circumstances (insolvency, failure to perform, licensing issues, etc.)

Requires awarding authorities to notify listed subcontractors in writing of substitution requests and allow five working days for written objections before approval

Establishes that only prime contractors may request and initiate subcontractor substitutions, not other parties

Clarifies that the law does not prevent awarding authorities from pursuing contractual remedies against prime contractors for violations