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USCIS Clarifies Definition of 'Day' for Calculating Filing Deadlines

Published Sep 23, 2026Effective Oct 23, 2026

USCIS has issued Policy Manual guidance clarifying how the regulatory definition of 'day' applies to filing deadlines. The guidance takes effect on October 23, 2026.

Key points

Who is affected

Anyone filing requests or petitions with USCIS who must calculate a filing deadline is affected.

What to do

Consult the updated USCIS Policy Manual, Volume 1, Part B, Chapter 6, when calculating deadlines on or after October 23, 2026.
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