Google AdSense will send a PIN code to all publishers when they reach an earning over 10$. Google mailed to them via post mail in order to verify the address detail of the publisher. However, it is difficult for the publisher who lives in Asia country such as India, Nepal, Cambodia, Sri Lanka, China, Vietnam etc to get the it to confirm their account. They only possible request PIN from Google three times, if they have not still gotten the PIN and verify the PIN in 6 moths Google will disable their account.
Publishers have to receive the PIN and enter it to validate the PIN verification purpose. It simply takes 3 or 4 weeks for the mail to reach the publisher. In the case, publishers don't receive the PIN code in 3 or 4 weeks, they possible request it again. Again, if they still didn't get the PIN code for the second time request, they can request it for the third time but it is the last time for them. What will you do if you don't receive the PIN code for the last time.
There is other way to confirm your account in the case you don't receive the PIN code after you request it 3 times.
First you have to log into your AdSense account and click AdSense account page then you will see link as if you have not receive your AdSense PIN yet, Contact us. By clicking that link to get information.
After that, you will be gone to a page which you have to enter your AdSense publisher ID. For your pub-ID it is at the top right corner of your AdSense account. By entering your pub-ID and submit your request. Once you already submit your request, Google team will touch you by email within 2 days. They will turn to you to provide your NIC or bank confirmation by attachment with email and send them.
Google team will email you within 2 or 3 days with subject "your AdSense Account has been validated".
Now your AdSense account has been officially validated by Google, and start earning without enter AdSense PIN code again.
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