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#tax-deadlines

Tax Deadlines

Important tax filing deadlines and compliance dates to remember

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6 min read

Typhoon Sinlaku Tax Relief for the Northern Mariana Islands: What the November 2, 2026 IRS Deadline Covers

After Super Typhoon Sinlaku struck Saipan, Tinian, Rota, and the Northern Islands on April 11, 2026 (FEMA declaration DR-4910), the IRS postponed filing and payment deadlines falling between April 11 and November 2, 2026 to November 2 — automatically, for any taxpayer with an address of record in the CNMI. Here's what's covered, the April 27 payroll-deposit cutoff that already passed, and the Section 165(i) election that can put a refund in your hands by October 15.

Mike Thrift

taxtax-deadlinesdisaster-loss
9 min read

Hawaii Storm Tax Relief: What the August 20, 2026 IRS Deadline Covers — and the Earlier State Deadline It Doesn't

The IRS postponed tax deadlines to August 20, 2026 for Honolulu, Maui, and Kauai counties after the March 2026 Kona Low storms — but Hawaii's separate Form L-115 state relief closes July 20, and SBA loan deadlines fall on August 13, 2026 (physical damage) and January 7, 2027 (EIDL). Here's who qualifies, what's automatic, and the casualty-loss election that can accelerate a refund.

Mike Thrift

taxtax-deadlinesdisaster-loss
9 min read

Payroll Tax Deposit Lookback Period: Monthly vs Semiweekly Depositor Guide

The IRS payroll tax deposit lookback period runs from July 1 of the second preceding year through June 30 of the prior year; employers reporting $50,000 or less in that window deposit monthly, those above it deposit semiweekly, and accumulating $100,000 or more in liability on a single day triggers a next-day deposit requirement and semiweekly status through the following year.

Mike Thrift

payrolltaxtax-compliance
12 min read

Form 3520-A: The March 15 Deadline, Substitute Filings, and the 5% Section 6677 Penalty

Form 3520-A is the annual information return for a foreign trust with a U.S. owner, due March 15. If the foreign trustee does not file, Section 6677 imposes an initial 5% penalty on trust assets plus $10,000 per 30-day continuation period — payable by the U.S. owner. Covers who files, the substitute filing path, the reasonable-cause defense, and how to clean up multi-year non-compliance.

Mike Thrift

taxinternational-taxtax-compliance
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