纳税人放弃退（免）税或者免征增值税的出口业务，在36个月内不得再次适用退（免）税或者免征增值税。
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习近平总书记指出：“加强知识产权保护。这是完善产权保护制度最重要的内容，也是提高中国经济竞争力最大的激励。”党的十八大以来，党中央把知识产权保护工作摆在更加突出的位置，走出了一条中国特色知识产权发展之路。我国国内有效发明专利数量达到第一个100万件用了31年，达到第五个100万件则用时19个月左右。
That is until recently, when a social media platform’s ill-kept privacy files surfaced on the public internet and an increasingly litigious group of people decided to take matters to court. Now, in an attempt to work proactively to keep underage users safe online and also ensure the privacy of everyone’s collected data, companies are pursuing new methods to verify the age of their users online. But the lack of federal regulation is also fueling this paradoxical directive and fostering the conflict: social media companies can collect the data of users of all ages, to keep children safe.
For implementers, BYOB adds significant complexity. The stream must track pending BYOB requests, handle partial fills, manage buffer detachment correctly, and coordinate between the BYOB reader and the underlying source. The Web Platform Tests for readable byte streams include dedicated test files just for BYOB edge cases: detached buffers, bad views, response-after-enqueue ordering, and more.