The wearing of seat belts is required by law.

法律规定必须系安全带。

《牛津词典》

It is required by law to shut down banks which it regards as chronically short of capital.

法律规定要关闭资金长期短缺的银行。

《柯林斯英汉双解大词典》

It is required by law that a driving test be taken before a man gets a license.

法律规定，一个人在取得驾照之前必须参加驾驶考试。

youdao

He said he is required by the Palestinian constitution to hold elections in January.

VOA: standard.2009.10.24

The reserves are an accounting entry-- it's how much they are required to hold, but the companies will hold more than that, typically, in order to protect themselves-- more than is required--and their policy holders-- more than is required by the regulators.

提取准备金就要做会计分录,由相关部门的规定,来提存一定量的准备金,但是保险公司可以持有更多的准备金,通常,多提存是为了,保护他们自己以及投保人,于是持有更多准备金

耶鲁公开课 - 金融市场课程节选

Also,the company said it is no longer willing to censor search results as required by Chinese law.

VOA: special.2010.01.15

But I also think the use of neutral terminology is required by traditional journalistic ethics.

FORBES: Language, Politics, and Journalistic Objectivity

They will all entail the kind of public involvement that is required by the agency.

FORBES: Green Energy Won't be Soiled

And if a formal market study is required by the franchise organization, ask yourself why.

FORBES: What Does It Take To Start A Hotel?