supply what is lacking

The Contractor shall promptly inspect the raw and processed materials supplied by the ordering party and , if it discovers that they do not conform to the stipulations of the contract , it shall immediately notify the ordering party to replace them or supply what is lacking .

承揽方对定作方提供的原材料，应及付检验，发现不符合合同规定时，应立即涵印定作方调换或者补齐。