Receipt number is not working on USCIS website or you receive the error saying your receipt number is not recognized. There is no need to worry or panic.
This could be an error on USCIS website if you have thoroughly verified your receipt number on i797C notice of receipt and everything matches correctly.
Check Case Status on DHS website
The first step to try is registering on DHS website here: https://myaccount.uscis.dhs.gov/
You should be able to add your case on DHS website which is new and is more reliable as far as case status updates are concerned.
Then, use your receipt number to check status. This works for most of the people who are seeing does not recognize receipt number error on my USCIS website.
Receipt Not able to Add on DHS website
It is also possible that your case status is perfectly visible on USCIS my case status website but does not recognize receipt number on DHS website:
See this DHS error : There was an error syncing your case. Try again in few minutes.
This same case that we tried to add on DHS website is already added on my case status USCIS website. So, the error can happen on both sites. Not sure how USCIS and DHS systems are connected when they fail to validate their own receipt numbers.
Try Browser’s Private Mode
Many times, the USCIS website may not work correctly due to browser’s cookie (technical term). Just open your browser’s private mode (Chrome – ‘In-cognitio mode’), launch USCIS case status website and now use your receipt number to check.
If it works, then you need to clear your ‘browsing history’ and cookies from normal window to make USCIS website work correctly.
USCIS receipt not recognized validation Error
Validation Error(s) You must correct the following error(s) before proceeding:
My Case Status does not recognize the receipt number entered. Please check your receipt number and try again. If you need further assistance, please call the USCIS Contact Center at 1-800-375-5283.
If you are still not able to check your case status, it is a good idea to call the USCIS number mentioned (1-800-375-5283) and check what could be wrong with your receipt number.