Can you please paraphrase "For the contract which has subcontract"?

Question

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4. For the contract which has subcontract, the request for payment to the owner must be accompanied with the proof of payment to all subcontractors according to the work progress.

Answer 1

For the contract with subcontracts, request for payment must be accompanied with proofs of payment to all the subcontractors in lieu of the on-going work.