USCIS policy guidance: Definition of Day for Purposes of Filing Deadlines
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Official excerpt
U.S. Citizenship and Immigration Services (USCIS) is issuing policy guidance in the USCIS Policy Manual to clarify how USCIS applies the regulatory definition of “day” to filing deadlines. This policy becomes effective October 23, 2026.
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USCIS policy guidance: Definition of Day for Purposes of Filing Deadlines
USCIS Policy Manual alert: dated official index and title matched to the preserved original PDF. Read its effective date and scope; agency guidance is not a new statute or final rule.
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