The deduction of amounts certified in all previous Interim Payment Certificates.

对所有以前的期中付款证书中证明的款额的扣除。

Until such time as each current cost index is available, the Engineer shall determine a provisional index for the issue of Interim Payment Certificates.

在获得所有现行费用指数之前，工程师应确定一个期中支付证书的临时指数。

Each interim payment shall include such amounts for any claim as have been reasonably substantiated as due under the relevant provision of the Contract.

每次其中付款应包括已根据合同有关规定合理证明是有依据的、对任何索赔的应付款额。

In addition, Seller shall furnish to Purchaser monthly interim lien waivers and a final lien waiver as a condition of final payment in the form requested by Purchaser.

另外，卖方应每月向买方提供临时的赦免抵押条款以及以买方所要求的格式，将免除押条款将作为最终付款的一个条件。