This rule does not require an entity (whose balance date varies by up to one week each year )to provide the information for the changed period.

此规定不要求变动了与去年相差不到一周的结算周期的客户提供有关改变周期的信息。

youdao

UNESCO has a rule that each country can apply for only one place to become a World Heritage Site each year.

UNESCO有一个规定，就是每个国度在一年之内只能申请一个地方为天下遗产。

youdao

We got rid of one rule from 40 years ago that could have forced some dairy farmers to spend $10,000 a year proving that they could contain a spill -- because milk was somehow classified as an oil.

我们取消了40多年前制定的一项规定，这项规定导致一些奶牛场可能每年要花10，000美元来证明他们能够控制泄漏——因为牛奶不知何故被归为油类。 有了这样的规定，我想即使洒了牛奶，也值得大哭一场（crying over spilled milk）。

youdao

The one-year rule was intended to stop EU migrants coming to the UK for less than a year and claiming benefits.

BBC: EU chides UK over migrant workers from Eastern Europe

The one investment change per year rule in 529 college savings plans may well be the epitome of bad college advice.

FORBES: Bad College Advice - Don't Save in Your Child's Name

This is primarily to provide clarity to the impact of the one-rollover-per-year rule on subsequent transfers, and to get all of the information in one place.

FORBES: What You Need To Know About Your IRA Rollovers And Transfers