Subject + 规定 + Clause
The verb 规定 (guīdìng) means "to stipulate," "to regulate," or "to set rules." It can also function as a noun meaning "regulation" or "rule." For example, 没有任何规定 means "there are no rules whatsoever."
公司规定员工不能在办公室吃饭。
Gōngsī guīdìng yuángōng bù néng zài bàngōngshì chīfàn.
The company requires that employees not eat in the office.
学校规定学生必须穿校服。
Xuéxiào guīdìng xuéshēng bìxū chuān xiàofú.
The school requires students to wear uniforms.
这里没有规定不能带宠物进来。
Zhèlǐ méiyǒu guīdìng bù néng dài chǒngwù jìnlái.
There's no rule here saying you can't bring pets in.