英语翻译模具确认后,如甲方需对模具进行更改,应及时通知乙方．需要时支付相应的改模费用．改模后的模具样品及部品须经甲方重新确认．

模具确认后，如甲方需对模具进行更改，应及时通知乙方．需要时支付相应的改模费用．改模后的模具样品及部品须经甲方重新确认．
After confirmation the mold,if A want to chang something about the mold,it must tell B about what to change,if that necessary to pay the change mold's charge,after change,the mold product must let A know.
A甲方
B乙方

I agree with grandbowl.

After confirmation of the mold,B should be informed on time if A wants to do some corrections.Cooresponding correction fees should be paid when necessary.The mold sample and its parts should be approv...

Instant notice should be given to party B if any change would be made by party A after the confirmation of the mould. And if neccessary, rejiggering fee should be charged. Besides, the new samples and components of the mould after alteration should be reconfirmed by party A.