postmark date

基本解释

For application delivered by mail, the postmark date on the envelope will be regarded as the date of application.
如以邮寄方式递交申请书，申请日期以信封上邮戳所示日期为准。
The postmark date on the envelope will be regarded as the date of submission of the application form and / or copies of supporting documents.
信封上的邮戳日期将被视为递交申请表格及／或证明文件副本的日期。
For applications submitted by post, the postmark date on the envelope will be regarded as the date of application.
申请人若以邮寄递交申请，信封上的邮戳日期将视为申请日期。

Thus, if a petition is received by the Court after the expiration of the 90-day period, it is nevertheless deemed to be timely filed if the date of the U.S. Postal Service postmark stamped on the envelope in which the petition was mailed is within the time prescribed for filing.
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