Family, residence and wealth

One spouse is ready to make Buenos Aires home. The other still runs a business abroad. Their children need continuity at school, and a company sale may be approaching. A country comparison is useful, but it cannot decide the order in which this family should act.

The Privilege Triangle brings Argentina, Uruguay and Paraguay into the same conversation. Their proximity makes a regional life practical. Their different rules make careful preparation important. The purpose is to find an arrangement that fits the family’s actual life and can withstand professional scrutiny.

The situations below illustrate questions to resolve, rather than arrangements to copy. National legal sources are linked in Spanish; the OECD reference is in English.

Start with each person’s circumstances

Marriage does not make every tax question a household calculation. Each person’s residence, income, assets and existing obligations need to be understood, then considered alongside the family’s shared plans.

In Argentina, the Income Tax Law, Articles 1 and 116 (Spanish) distinguishes residents, generally taxed on domestic and foreign income, from non-residents taxed on Argentine-source income. Residence can follow immigration status and qualifying temporary presence. Counting tourist days alone is insufficient.

For a family considering different residence plans, the useful starting point is a factual record: where each person will live and work, the homes available to them, their business responsibilities and their expected travel. Independent advisers can then assess those facts in every relevant country, including the country being left behind.

Give adult children a plan of their own

A child studying abroad or beginning a career may need a different route and timetable from the parents. Check nationality, age, the available category, evidence of support and the residence history relevant to criminal-record certificates. These requirements differ by country.

Argentina’s family-reunification guidance (Spanish) distinguishes children of Argentine nationals from children of foreign residents; the latter category includes unmarried minors and adult children with disabilities. Uruguay’s family route (Spanish) and Paraguay’s migration law (Spanish) also contain specific family categories. Turning 18 calls for a fresh assessment, rather than a universal conclusion that the only option is independently owned investment assets.

Understand how ownership and income are attributed

Argentina’s Article 35 (Spanish) attributes income from personal activities and separately owned assets to the relevant spouse. Income from other assets follows each spouse’s contribution to acquisition, with a 50/50 allocation where that contribution cannot be determined. The rule expressly applies regardless of the matrimonial property regime.

Evidence therefore matters: acquisition records, funding history, gifts, inheritance and existing agreements. For personal-assets tax, AFIP Circular 8/2011 (Spanish) also addresses attribution between spouses. The civil classification of an asset does not, by itself, answer every tax question.

A matrimonial property agreement may be relevant, but its effect needs individual analysis. Argentina’s Civil and Commercial Code (Spanish), Article 2625, sets applicable-law rules for foreign marital arrangements. Article 449 provides a general route to changing the regime after one year, by public deed, with registration requirements and creditor protections. Family-home consent rules also remain relevant under Article 456. A separation-of-property agreement is not a universal exemption from a spouse’s consent or tax obligations.

A residency route answers an immigration question

Argentina’s Rentista requirements (Spanish) concern qualifying income from assets incorporated into the applicant’s patrimony. The published minimum is five times the Salario Mínimo Vital y Móvil, rather than a fixed dollar amount. Personal-work remuneration is excluded from this category.

An applicant’s income and supporting assets need to make sense for both the immigration application and the separate tax assessment. Meeting an income threshold does not establish that the resulting tax cost will be small.

Citizenship is another decision. The published Citizenship Law, Article 2 (Spanish) and administrative application requirements (Spanish) describe two years of continuous, lawful residence without foreign departures. However, the federal prosecution service’s July 2026 report (Spanish) records a court ruling declaring the amending decree, DNU 366/2025, void. These official sources must be read together. Counsel should confirm the applicable procedure, travel requirements and any subsequent appellate decisions before the family relies on a timetable. Children’s position requires its own assessment.

Give Uruguay a separate assessment

Uruguay has its own presence and family-ties rules. Decree 148/007, Article 5 bis (Spanish) addresses sporadic absences and a presumption involving a spouse and dependent minor children, or a spouse where there are no children. Spending fewer than 183 physical days in the country is not a complete tax-residence test.

For qualifying new tax residents from 2026, Law 20.446, Article 648 (Spanish) provides an election concerning specified foreign capital income for the year of the change and the following ten fiscal years. Eligibility and continuing conditions matter. The implementing rules, Article 5 sexies (Spanish) include investment alternatives and an annual physical-presence alternative.

The income classification also needs current advice. DGI’s 2026 explanation (Spanish) addresses foreign movable and immovable capital income and capital gains. Older summaries limited to foreign interest and dividends can give an incomplete picture of the rules now in force.

Review a foundation or trust before changing residence

A Polish family foundation, a Stiftung, a trust and a holding company need to be understood on their own terms. Bring the governing documents, ownership chart, distribution history and details of anyone who can direct investments, revoke the arrangement or benefit from it.

Argentina’s Income Tax Law, Article 130(d) (Spanish) can attribute annual income of specified foreign asset-administration structures to a resident who controls them, without waiting for a distribution. Its control tests matter. Counsel must assess the actual structure; being a beneficiary is not, on its own, a universal answer. Personal-assets tax and reporting also need separate analysis.

Include succession before buying a home

The ownership decision should reflect how the family intends the property to pass to the next generation. Protected inheritance shares and the law governing an estate differ across the Triangle.

Argentina reserves two-thirds for descendants under Article 2445 (Spanish). Uruguay’s Article 887 (Spanish) provides one-half, two-thirds or three-quarters according to the number of children. Paraguay’s Article 2598 (Spanish) reserves four-fifths for descendants. These are starting points; the family composition and applicable law determine the assessment.

Argentina’s Article 2644 links succession to the last domicile, with Argentine law applying to local immovable property. Uruguay’s Law 19.920, Article 30 (Spanish) uses the location of assets; Paraguay’s Civil Code, Article 25 (Spanish) combines last-domicile and local-transfer rules. Counsel should check applicable treaties and existing wills before purchase. A foreign will is not simply disregarded, but its effect must be established.

Put certificates in their proper place

Paraguay’s General Resolution 65/2020 (Spanish, PDF) establishes a process for obtaining a tax-residence certificate, including evidence and review by the authority. A RUC registration alone is not the certificate. Nor does a certificate automatically end obligations in another country.

For international banking, the OECD’s tax-residence guidance (English) requires disclosure of all tax residences under the Common Reporting Standard. A new residence permit does not extinguish an existing tax residence. The bank’s documentation requirements must be confirmed with the bank itself.

Decide the order before making commitments

A business sale, a house purchase and a residency application can each affect the assumptions behind the others. The most useful strategy identifies those dependencies early. It gives the family and its advisers a shared set of facts, proposed dates and questions to resolve before commitments are made.

An operating business needs the same attention. A passive shareholder and an executive managing staff or signing contracts from a new country present different facts. Our guide to establishing a business in Uruguay considers local operations, corporate tax presence and the qualifying free-zone and software regimes.

Latin Privilege Advisory brings that work together around the life you want to build. Independent lawyers, tax advisers and other professionals lead their own disciplines. You appoint advisers in your current tax-residence country; we can introduce destination specialists, with introductions elsewhere available in some jurisdictions on request. With your authority, we work alongside your family office or private adviser, keeping the brief, dependencies and responsibilities clear. The written strategy gives your existing team a common basis for reviewing the proposed sequence before implementation.

Your personal strategy brings the options, recommendations, assumptions, agreed specialist conclusions and next steps into one written plan. Agreed independent legal and tax review and related coordination draw on the included review allowance. Any work beyond that allowance, legal instruments and implementation are scoped and agreed separately before they begin.

Read about the scope and fees in Services & fees.

Discover our strategy