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Dear Sir/Madam, I have a question regarding filing of I-131 form to re-enter USA. I'm currently abroad for post-graduate studies and unable to be physically present to go to US post office and send the papers of to USCIS. I have GC which expired December 2012. Can I send my paperwork to a family friend in the usa, to simply go to the post-office and drop it off for me with in the US, and then I will only need to travel for biometrics. I am registered at the same home address as the friend, so the address that will be marked on the envelope will be my US address. Because whats the actual purpose of being in the usa and simply going to post-office to drop it off your self, its all signed and typed by you.