个人使用超过他们自身的权力去签合同里则合同无效 翻译成英文

个人使用超过他们自身的权力去签合同里则合同无效
The contact signed by person out of proper authority is null and void.

Personal use more than their own power to sign a contract where the contract is null and void

Personal use more than their own power to sign a contract where the contract is null and void