If a worker employed by a subcontractor on a private construction project is not paid the wage, fringe or other benefit payment or contribution owed by the subcontractor on account of the worker's performance of labor on that project, the direct contractor of the project is not liable for any associated penalties or liquidated damages under paragraph (2) unless the direct contractor had knowledge of the subcontractor's failure to pay the specified wage, fringe or other benefit payment or contribution, or the direct contractor fails to comply with all of the following requirements:
Ca. Lab. Code § 218.8