分享个高峰期（4月）的OPT timeline

高峰期申请OPT的timeline（4月），80+天左右收到，算是接近90天临界点了。
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2017.4.7，Received
2017.4.12，Notice
2017.6.22, Approve and new card is being produced
2017.6.26, Card mailed
2017.6.28, Card received.