Well, the problem is that as I said, you would have to prove that it isn't just a financial burden. It is only just a day or maybe half a day. And USCIS will take you early. So if for example your appointment is for a Friday, but your Mondays are better, you can go the Monday before and they will take you. If this is truly impossible, then you will need to prove it to USCIS by getting medical reports that state that your charges cannot be moved, that one of both suffer bouts of anxiety if you are not there, that it is outside of your means to hire someone for 5 hours meaning that you would have to show financial statements to prove your low income. If you feel that you can do this, then here is a link:
If they deny the accommodation, then you may have no choice but to go to the biometrics appointment. The good thing is that if you have filed an I-90 to renew and it is denied, that doesn't mean you stop being a U.S. Lawful Permanent Resident (LPR). You still are one. You just don't have the card to prove it. If you aren't at an employer that wants to see it and you can't travel, then you don't really need the renewed card. You are still an LPR even with an expired card.
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