The Potomac Service Center (PSC) will no longer accept paper responses, including Notices of Intent to Deny (NOID), Notices of Intent to Revoke (NOIR), Intents to Deny (ITD), Requests for Evidence (RFE), or supporting documentation for pending filings. The shift away from paper correspondence begins on November 13, 2023. All mailed materials for cases processed by the PSC must be directed to the Texas Service Center (TSC) at USCIS Texas Service Center.