雇主在收到索赔详细信息后的42天内，在得到工程师建议后，可以要求承包商

Within 42 days after receiving the detailed information of the claim, the employer can request the contractor to provide further details after receiving the advice of the engineer, and then respond to the principle of the claim. The contractor can only request a part of the claim that can be verified, and the payment certificate shall include any claim that has been reasonably verified according to the relevant provisions of the contract.

Within 42 days of receipt of the claim details, the employer may, upon the advice of the engineer, request further details from the contractor before responding to the principles of the claim. The Contractor may claim only part of the claim that can be substantiated and the certificate of payment shall include any claim reasonably substantiated in accordance with the relevant provisions of the contract.

Within 42 days after receiving the details of the claim, the employer may, with the advice of the engineer, request further details from the Contractor before responding to the principles of the claim. The contractor can only claim part of the claim that can be proved, and the payment certificate shall include any claim that has been reasonably proved in accordance with the relevant provisions of the contract.<br>