"director in writing of the amount due. The director shall attempt to resolve the dispute between the contractor and the subcontractor or supplier within 20 working days after the date that the director receives notice of the amount due. If the dispute is not resolved within 20 working days after the date that the director receives notice of the amount due, the contractor shall deposit the disputed amount in an escrow account that bears interest. The contractor, subcontractor or supplier may pursue any legal or equitable remedy to resolve the dispute over the amount due. The director may not be made a party to any legal or equitable action brought by the contractor, subcontractor or supplier.".