I sent my N 600 on 12/30/2010 to the Dallas office. I got a bill saying they cashed my check without a receipt number; from what I hear it's common to not get a receipt number for N 600. I made an infopass appointment and it was useless. I checked the time frame on the USCIS website. I still have not received an oath letter from them. I'm very concerned. Did anybody else have this happened to them? Please let me know. It'll help me out.
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