Contractors who hire subcontractors performing work valued at $500,000 or more on a covered contract, shall provide the subcontractors with written notice of the following requirements: Subcontractors performing work valued at $500,000 or more on a covered contract shall complete the registration process on the Department’s website; and Prior to the commencement of work, a subcontractor shall log onto the Department’s website and complete the required project log information including: Identification of the capital project or grant; Contract value; Identification of subcontractors with contracts valued at $500,000 or more to perform work on the project and subcontract value amount; Identification of the affiliated registered apprenticeship program; Certification that the subcontractor is employing registered apprentices from that program to complete the contract; If electing to make payments under Regulation .02A(2) of this chapter, designation of the entity, either a registered apprenticeship program or the Fund, to which the subcontractor will make contributions; and Any other information that the Secretary requires. Contractors shall retain a copy of the written notice required in §A of this regulation that was provided to covered subcontractors for inspection and review by the Secretary for 3 years after the completion of their work on a covered contract. In the event the contractor or subcontractor is not affiliated with a registered apprenticeship program and is not able to comply with the certification requirement set forth in §A(2) of this regulation, the contractor or subcontractor shall estimate the number of employees per craft and trade for which there is a registered apprenticeship program and the number of hours they will be employed to complete the contract. Subcontractors shall comply with the same notice requirements as set forth in this regulation.