U.S. Citizenship and Immigration Services has changed how it treats filing deadlines that land on a weekend or federal holiday. In Policy Alert PA-2026-15, issued September 23, 2026, the agency said it is “returning to its longstanding application” of the regulatory definition of “day” in 8 CFR 1.2. That means it is ending a 2023 policy that gave some applicants an extra business day when an eligibility cutoff, such as a 21st birthday, fell on a day USCIS does not accept paper filings. The change takes effect October 23, 2026 and applies to paper filings received on or after that date.
What stays the same. If a statute, regulation or form instruction sets a deadline as a number of days, the weekend and holiday rule still applies. Examples are the 30 days allowed to answer a Notice of Intent to Deny, and the 30 days (33 if the notice was mailed) to file Form I-290B after a denial. If the last day falls on a Saturday, Sunday or federal holiday, a paper filing still counts as on time if it arrives by the end of the next business day. The updated Policy Manual gives this example: an I-485 denial mailed August 2, 2022 had a 33-day window ending on Sunday, September 4. Monday was Labor Day, so an I-290B received Tuesday, September 6 was accepted as timely.
What changes. Deadlines set by an eligibility requirement rather than a count of days will no longer be extended. PA-2023-10 (March 29, 2023) had applied the next-business-day rule to cases like someone who had to file before turning 21 and whose birthday fell on a weekend. USCIS says that practice ends. Its example is a Special Immigrant Juvenile petitioner, who must be under 21 when the petition is filed. If the 21st birthday falls on a Saturday, the petition must arrive before then. Monday will be too late. USCIS cites the Supreme Court’s 2025 decision in Monsalvo Velasquez v. Bondi, which traced the weekend and holiday rule back to deadlines counted in days.
Online filings get no extension at all. The revised chapter (Volume 1, Part B, Chapter 6, Section E) states that USCIS treats an electronic submission as received as soon as it is submitted, including on weekends and holidays. Because of that, it “does not apply the regulatory definition of day to extend the filing period” for online filings. If you file or respond to an RFE online, submit by the calendar deadline, not the next business day.
What it means for you. Most employment-based filers, including NIW, EB-1A and H-1B petitioners, mainly face deadlines counted in days, such as RFE, NOID and appeal windows, so their day-to-day rules do not change. The risk is for families whose eligibility depends on age. That includes derivative children and anyone whose case must be filed before a birthday. USCIS itself says the reversal “may impact filing deadline expectations.” It delayed the effective date by 30 days because some filings may already be planned under the 2023 policy. The safest approach is to treat every deadline as falling on the calendar day it lands on, and to file early.
Source: USCIS Policy Alert PA-2026-15, “Definition of Day for Purposes of Filing Deadlines,” September 23, 2026.
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