formal requirement for pleading

例句：

1. 1. The school has a strict form of requirement for students to wear uniforms.
   学校对学生穿校服有严格的要求。
2. 2.The company has a formal requirement that all employees must complete training before starting work.
   公司有一项正式要求，所有员工在开始工作前必须完成培训。
3. 3.The government has a formal requirement that all citizens must register their residences with the local authorities.
   政府有一项正式要求，所有公民必须向当地当局登记他们的住所。