Didn't see a post regarding this in the news section, perhaps I missed it. If so sorry for the repost.
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Please be sure to use the new forms if you have yet to send.
Only use the forms you get directly from uscis' website.
This tip mostly applies to those who are yet to send a renewal (or initial request).
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Please read carefully as some of the instructions may have changed
https://www.uscis.gov/i-821d (includes links to other relevant forms)