USCIS emailed late last week to inform us;
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This e-mail is to confirm the USCIS Contact Center received your inquiry. The USCIS Contact Center has a response time goal of 72 hours based on your issue. There is no need to contact us again regarding this inquiry and will respond to your inquiry as soon as we are able.
You may receive a response by email, or we may need to call you for additional information.
If you would like more information about how we respond to your inquiry, have general questions, and would like to access our online tools, please visit our USCIS Contact Center web page, www.uscis.gov/contactcenter.
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no response from the offices of either political representative as of yet. my House representative indicated that the case worker would be contacting me within 72 hours. no such indication from my Senator.
USPS Informed Delivery indicates a letter from USCIS but my guess Is it's just another copy of the 797.