About PFIC Calculator
PFIC Calculator for IRS Form 8621
8621 Calculator is a DIY-friendly calculation tool for IRC §1291 and §1296 Mark-to-Market (MTM), designed for U.S. taxpayers, expats, EAs, CPAs, and other tax professionals.
US$10 per PFIC calculation · No subscription
Payments under US$10 are treated as donations and do not include a calculation license.
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👉 Calculator & documentation:
📚 Worked PFIC examples:
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