下述条款 meaning in English

terms hereinafter

Again , we must ask you to refer to our e - mail of february 20 in which our request was made to you regarding the following clause to be amendment
我们必须再依次提请你方注意我们2月20日邮件，请你方对下述条款进行修改。
The purchaser shall have the full power , subject to the provisions hereinafter contained , at any time during the contract to issue instructions the contractor so as to alter , amend , omit , or add to any of the project services
购买方享有充分权利在合同有效期间的任何时候向承包方发出指令，以对任何工程服务项目进行修改、补充、删减或增加，但在行使该权利的同时，购买方必须遵守本章下述条款。
1 prompt notice must be given to the underwriters of every casualty event or claim upon the assured which may give rise to a claim hereunder and of every event or matter which may cause the assured to incur liability costs or expenses for which he may be insured hereunder
1每一事故、事件或对于可能导致依下述条款索赔的对被保险人提出的索赔，及引起被保险人发生责任，费用或开支且被保险人可依据本保险承保的每一事件或情况，均必须迅速通知保险人。