烟台华美双眼皮:谁能帮我翻译一下？谢谢

这是关于商务英语方面的几个题。
20.1 If the Seller considers himself to be entitled to any extension of the Time for Completion and/or any additional payment, under any Clauses of these Conditions of otherwise in connection with the Contract, the Seller shall give notice to the Buyer, describing the event or circumstance giving rise to the claim. The notice shall be given as soon as practicable, and not later than 28 days after the Seller became aware, or should have become aware, of the event or circumstance.
20.2 If the Seller fails to give notice of a claim within such period of 28 days, the Time for Completion shall not be extended, the Seller shall not be entitled to additional payment, and the Buyer shall be discharged from all liability in connection with the claim. Otherwise, the following provisions of this Sub-Clause shall apply.
20.3 The Seller shall also submit any other notices which are required by the Contract, substantiate any claim, either on the Site or at another location acceptable to the Buyer. Without admitting the Buyer’s liability, the Buyer may, after receiving any notice under this sub-Clause, monitor the record keeping and/or instruct the Seller to keep further contemporary records. The Seller shall permit the Buyer to inspect all these records, and shall (if instructed) submit copies to the Buyer.
20.4 Within 42 days after the Seller became aware (or should have become aware) of the event or circumstance giving rise to the claim, or the Buyer, the Seller shall be proposed by the Seller and approved by the Buyer, the Seller shall send to the Buyer a fully detailed claim which includes full supporting particulars of the basis of the claim and of the extension of time and/or additional payment claimed. If the event of circumstance giving rise to the claim has a continuing effect.
(a) This fully detailed claim shall be considered as interim;
(b) The Seller shall send further interim claims at monthly intervals, giving the accumulated delay and/or amount claimed, and such further particulars as the Buyer may reasonably require; and
(c) The Seller shall send a final claim within 28 days after the end of the effects resulting from the event or circumstance, or within such other period as may be proposed by the Seller and approved by the Buyer.
20.5 Within 42 days after receiving a claim or any further particulars supporting a previous claim, or within such other period as may be proposed by the Buyer and approved by the Seller, the Buyer shall respond with approval, or with disapproval and detailed comments. He may also request any necessary further particulars, but shall nevertheless give his response on the principles of the claim within such time.
楼下这位朋友是用金山快译译的吧？难怪语句不通，呵呵