There doesn't seem to be any official notice on how long it takes, but unofficial reports say 14 days.

虽然没有任何官方的公告表明此过程需要多久，不过，非官方的消息称删除账号需要14天。

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The action becomes effective on the first day of the month following the month of Journal AWWA publication of the official notice.

修改的条款会在发布正式通知后下一个月的第一天生效。

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Krogstad, receiving from Torvald an official notice of his dismissal, wrote in return a letter in which he revealed the full details of the forgery.

柯洛克·斯泰从托伐那里接到正式的解雇通知后写了一封信，信中揭露了伪造签字的详细过程。

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But, he wrote, Pfizer may not provide official notice of the result until its next earnings call.

FORBES: Pfizer Plays A Guessing Game

Arman said his friend called and told him to get ready to evacuate when the official notice came.

CNN: Evacuees who fled to Qualcomm say they hope to go back home

Meantime, Potash investors have received official notice of the offer with a strongly-worded recommendation from the company to reject it.

FORBES: Canadians See Red Over Chinese Potash Takeover