contractual claim meaning in English

按合约索偿(契约的要求)
根据合同的债权
合约索偿

Produce technical and weekly progress reports to the management to enable accurate records to be maintained in the event of a contractual claim for additional works , loss of time , late availability of information , and where health and safety issues not satisfactorily addressed
工艺技术和每周进度向管理层汇报，对于工作中出现的事件保持准确的记录，说增加工作、浪费时间、信息无效或是哪里的健康和安全问题未能满意的解决。
It is a proper combination of contractual claim , contractual control , residual claim and residual control , which try to satisfy the participation constraint and efficient principle . efficient property right structure results from market trade and will evolve into a more efficient one
企业的产权结构就是通过契约索取权、契约控制权、剩余索取权和剩余控制权这四者的不同组合，来满足企业参与者的参与约束和制度得以生存的效率原则。