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© 2026 OpenAccountants. Open Tax Guides, with sources and a clear review status.

OpenAccountants publishes open, source-cited tax knowledge for use by people, software and AI. Automated outputs are drafts and do not create a professional engagement. Obtain qualified advice before filing, paying or taking a material tax position.

United States · Cross-Border

7 Guides across 1 job. Each Guide is authored by an accountant; the ones more colleagues stand behind rise to the top.

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7 Guides
  • us-fbar-and-fatca-8938Source-cited draft

    Tier 2 US federal content skill for the dual foreign financial account disclosure regimes — FinCEN Form 114 (FBAR) under 31 USC §5314 and Form 8938 (FATCA) under IRC §6038D. Covers tax year 2025 including the $10,000 aggregate FBAR threshold (per Bittner 2023 non-willful penalty is per-form not per-account), Form 8938 specified person and SFFA thresholds ($50k/$100k/$200k/$400k tiers), the differences in coverage (signature authority for FBAR, ownership for 8938, foreign mutual funds for 8938 only), willful and non-willful penalty severity, and the Streamlined Foreign Offshore / Domestic Offshore compliance paths for catching up.

    1 accountant attestsCAChristopher Aryee🇺🇸
  • The American abroad: why moving never ends your US tax lifeSource-cited draft

    The US taxes citizens wherever they live. What that actually means when you move abroad: the FEIE vs Foreign Tax Credit decision, FBAR and FATCA reporting, the PFIC and foreign-company (GILTI/5471) traps, sticky states, Social Security and totalization, and — for those who go all the way — the §877A exit tax on renouncing. Sequenced by destination type: zero-tax (UAE/Gulf) vs high-tax (EU).

    0 accountants attestMCMichael Cutajar🇺🇸
  • us-tax-residencySource-cited draft

    US federal tax residency for people who are not US citizens: the green card test, the substantial presence test (31 days and the 183-day weighted count), exempt students and scholars and their year limits, the closer connection exception (Form 8840), the first-year choice, residency start and end dates, treaty tie-breakers (Form 8833), the long-term resident expatriation trap (Form 8854), spousal joint-return elections and dual-status returns, for tax year 2026 with 2025 notes.

    0 accountants attest
  • us-cfc-giltiSource-cited draft

    US controlled foreign corporations for 2026 and 2025: United States shareholder and CFC tests, Subpart F income, net CFC tested income (formerly GILTI), the §250 deduction and §960 credit, the §962 election, the high-tax exclusion, and Form 5471 categories and penalties.

    0 accountants attest
  • us-fbar-fatca-reportingSource-cited draft

    Whether a US person must file an FBAR (FinCEN Form 114), Form 8938, both or neither for 2026 (with 2025 notes): the aggregate FBAR threshold test, signature authority, Form 8938 thresholds by filing status and US or abroad residence, what each form counts, deadlines, penalties after Bittner with current inflation-adjusted amounts, statute of limitations, and late-filing and streamlined routes.

    0 accountants attest
  • us-multi-state-residency-and-allocationSource-cited draft

    How to decide which US states can tax an individual who lives, moves or works in more than one state, tax year 2026 with 2025 return notes: domicile and statutory residency tests (permanent place of abode plus day counts) for NY, NJ, PA, CT, DE, MD, VA and CA, part-year returns, sourcing a nonresident's wages by days worked, the convenience-of-the-employer rule and remote workers, wage reciprocity agreements, the resident credit for tax paid to other states, and the 4 U.S.C. 114 bar on source-state tax of retirement income.

    0 accountants attest
  • us-gilti-fdii-beatSource-cited draft

    Tier 2 US federal international tax content skill for §951A GILTI / post-2025 NCTI, §250 FDII / post-2025 FDDEI, §59A BEAT, and surviving Subpart F. Covers tax year 2025 including the 50% §250 GILTI deduction, 37.5% FDII deduction, 10% BEAT rate, §962 election, Forms 5471/8992/8993/8991, §965 final installments, and OBBBA P.L. 119-21 post-2025 mechanics: 40% NCTI deduction, 33.34% FDDEI deduction, 90% NCTI deemed-paid FTC, QBAI/NDTIR removal after 2025, and 10.5% BEAT rate with protected-credit treatment.

    0 accountants attest