法定的

例句：

1. 1. The law requires that all drivers must wear seatbelts.
   法律规定所有驾驶员都必须系安全带。
2. 2. This contract is legally binding upon both parties.
   这份合同对双方都有法律约束力。
3. 3. The company's policy is strictly legal and complies with all relevant regulations.
   公司的政策严格遵守所有相关法规。