此项指令明定每一个需授权物质的最后申请日(Latest Application Date)，在最后申请日的18个月后，其日落日期(Sunset Date)即生效，每一种需授权物质在日落日期之后，市场上则禁止使用此需授权物质于任何用途上，除非其用途获得授权使用。
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EDItEUR已经宣布2014年底为“日落之日”（sunset date），将减少对2.1的支持，鼓励所有实施者更新到3.0。
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Watching the sun go down is a nice little sunset date.
在傍晚看落日西沉是一个不错的方式。
youdao
Preferably, choose a time when you can watch the sunset after you have your romantic meal. This will be a terrific Valentine's Day date.
最好你能算准时间，吃完饭正好可以并肩欣赏夕阳西下，那这个情人节就棒了！
No one is certain if Congress will act before or after this sunset date.
FORBES: Pssst. Don't Tell The IRS. It's Spring And The Estate Tax Has Been Reinstated
At some point in the future we will reach a point of critical mass where we will have to begin to think about a sunset date for the old standards.
FORBES: Is SWIFT Lagging On Corporate Actions Or Serving Its Global Membership?
Nokia will transition Symbian but says it expects to ship more than 150 million devices based on the the Symbian, while stoping short of committing to a complete sunset date.
FORBES: Nokia Ties Up With Microsoft
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