回复：H1B延期收据开始240天合法工作期限的条款哪里找？

H1B延期申请收据意味着审批通过前有240天合法工作的条文那里可以找到？谢谢。
-See "8 CFR 274A 12(b) (20)" at the following website.

http://edocket.access.gpo.gov/cfr_2005/janqtr/pdf/8cfr274a.12.pdf


"
(20) A nonimmigrant alien within the class of aliens described in paragraphs (b)(2), (b)(5), (b)(8), (b)(9), (b)(10), (b)(11), (b)(12), (b)(13), (b)(14), (b)(16), and (b)(19) of this section whose status has expired but who has filed a timely application for an extension of such stay pursuant to Secs. 214.2 or 214.6 of this chapter. These aliens are authorized to continue employment with the same employer for a period not to exceed 240 days beginning on the date of the expiration of the authorized period of stay. Such authorization shall be subject to any conditions and limitations noted on the initial authorization. However, if the district director or service center director adjudicates the application prior to the expiration of this 240 day period and denies the application for extension of stay, the employment authorization under this paragraph shall automatically terminate upon notification of the denial decision."

In this section, the code "(b)(9)" is the H1 category.