Atrium Reference

Glossary: Portugal Golden Visa & U.S. Tax Terms

20 key terms every American Golden Visa investor must understand: U.S. tax regimes (PFIC, FATCA, Form 8621), Portuguese fiscal frameworks (NHR 2.0 / IFICI), immigration mechanics (AIMA, ARI), and treaty interactions.

PFIC

Passive Foreign Investment Company. A US tax classification under IRC §1297 that applies to most non-US investment funds, including CMVM-regulated Portuguese funds. PFIC ownership triggers annual IRS Form 8621 filing for US persons.

Related:

Form 8621QEF ElectionMTM ElectionSection 1291

Form 8621

IRS form filed annually by US persons owning shares in a PFIC. Reports PFIC income and computes tax under default Section 1291 regime, or under elected QEF (Qualified Electing Fund) or Mark-to-Market regime.

Related:

PFICQEF ElectionMTM Election

FATCA

Foreign Account Tax Compliance Act (US, 2010). Requires US persons holding $200K+ aggregate foreign financial assets (single filer abroad) to file IRS Form 8938 annually. Foreign banks must report US-owned accounts to IRS.

Related:

FBARForm 8938

FBAR

Foreign Bank Account Report (FinCEN Form 114). Mandatory for US persons whose aggregate foreign account balance exceeds $10,000 at any point during the year. Filed separately from tax return through BSA e-Filing.

Related:

FATCAForm 8938

QEF Election

Qualified Electing Fund election under IRC §1295. Allows US PFIC shareholders to pass-through fund earnings annually instead of facing Section 1291 punitive treatment. Requires PFIC Annual Information Statement (AIS) from fund manager.

Related:

PFICForm 8621MTM Election

MTM Election

Mark-to-Market election under IRC §1296. Alternative PFIC election that taxes unrealized appreciation annually as ordinary income. Requires the fund to qualify as marketable security.

Related:

PFICForm 8621QEF Election

NHR

Non-Habitual Resident regime — Portugal's preferential tax regime for new residents. Original NHR closed in 2024; replaced by IFICI under Portaria 12/2025.

Related:

IFICINHR 2.0Portugal tax residency

IFICI

Incentivo Fiscal à Investigação Científica e Inovação. Portugal's NHR 2.0 successor regime under Portaria 12/2025. Offers 20% flat tax on Portuguese-source professional income from approved high-value scientific/innovation activities for 10 years.

Related:

NHRNHR 2.0Portugal tax residency

CMVM

Comissão do Mercado de Valores Mobiliários. Portugal's securities market regulator. CMVM authorizes investment funds eligible for the Portugal Golden Visa fund route.

Related:

AIMAARICMVM-regulated fund

AIMA

Agência para a Integração, Migrações e Asilo. Portuguese immigration authority that processes Golden Visa applications since October 2023, succeeding SEF.

Related:

ARIGolden VisaPortugal residency

ARI

Autorização de Residência para Investimento. The formal name of the Portugal Golden Visa residency permit issued under Lei nº 23/2007.

Related:

AIMAGolden Visa

Portugal Golden Visa

Portugal's residency-by-investment program (ARI under Lei 23/2007). Offers 5-year residency leading to EU citizenship eligibility. Since October 2023, qualifying routes are CMVM-regulated investment funds (€500K minimum), cultural donation (€250K), and company investment (€500K + 5 jobs). Real estate route closed.

Related:

AIMAARICMVM

Section 1291

IRC §1291 — Excess Distribution Regime. The default PFIC tax treatment when no QEF or MTM election is made. Applies punitive tax + interest charges on 'excess distributions' from PFIC holdings, often doubling the effective tax cost.

Related:

PFICForm 8621QEF Election

Section 1297

IRC §1297 — defines a PFIC: any foreign corporation where 75%+ of gross income is passive OR 75%+ of assets produce passive income. Most CMVM-regulated funds meet this definition.

Related:

PFICSection 1291

Form 8938

Statement of Specified Foreign Financial Assets. IRS form for FATCA reporting by US persons with aggregate foreign financial assets above thresholds ($200K for single filers abroad).

Related:

FATCAFBAR

Portugal-US Tax Treaty

Bilateral tax treaty signed 1994, in force 1996. Allocates taxing rights between US and Portugal, provides tie-breaker for residency, reduces withholding on dividends/interest, and provides foreign tax credit mechanism to mitigate double taxation.

Related:

FATCAPFICNHR

Schengen Area

27 European countries with abolished passport controls at common borders. Portugal Golden Visa holders enjoy visa-free travel throughout the Schengen Area as legal residents of Portugal.

Related:

EU ResidencyPortugal Golden Visa

NIF

Número de Identificação Fiscal. Portuguese tax identification number, required for any financial transaction in Portugal including Golden Visa fund subscription.

Related:

AIMAPortugal banking

PFIC AIS

PFIC Annual Information Statement. Document required from a PFIC's fund manager to support a Qualified Electing Fund (QEF) election. Not all CMVM funds issue PFIC AIS automatically — must be requested.

Related:

PFICQEF ElectionForm 8621

Lei nº 23/2007

Portuguese law governing foreign nationals' entry, stay and exit from Portugal. Article 90-A establishes the ARI (Autorização de Residência para Investimento) — the Portugal Golden Visa program.

Related:

ARIGolden VisaAIMA