大多数人不是让法官结婚,而是找神父。所以你的翻译有点雷。
marriage license可以译为 结婚许可证。
marriage certificate 结婚证书
结婚许可证在签发一天后起效,有效期60天。
许可证失效期:whatever the date on the paper, don't invent new stuff.
You can have some official include a government document explaining marriage license and marriage certificate in IL, and translate that too.