Which country’s social security applies when I work in one territory?

Article 7 of the Agreement sets the default: people employed or self-employed in the territory of one Contracting State are subject to that State’s laws, subject to the special rules and exemptions in the same article.

US-Italy totalization: remote work coverage

Q: What does the US-Italy totalization agreement cover?

According to the U.S. Social Security Administration, for Italy the Agreement covers compulsory general insurance for old-age, disability and survivors, including substitute benefits. For the United States it covers Title II of the Social Security Act (with listed exceptions such as Medicare-related sections).

Q: What if I would otherwise be covered by both systems?

Article 7 provides nationality-based and election rules for dual coverage. In broad terms, a national of one State who would be subject to both remains subject to the State of nationality; dual nationals may elect; other persons are generally subject to the State where the work is performed. Exemptions take effect when the covering agency certifies coverage to the other agency.

Q: How do certificates of coverage work?

SSA guidance explains that an Italian employer seeking exemption from U.S. Social Security requests form IT/USA 4 from the provincial INPS office. U.S. employers should keep certificates for IRS audits. Self-employed Italian or dual nationals who elect Italian coverage write to the provincial INPS office and attach the certificate to their U.S. return when claiming exemption.

Q: Does totalization decide tax residence or immigration status?

No. The Agreement allocates social security coverage and can help people qualify for benefits by combining periods of coverage. Italian tax residence, U.S. tax filing, visas and work permits are separate regimes.

The U.S.–Italy Social Security (totalization) Agreement decides which country’s old-age, disability and survivors insurance covers a worker when U.S. and Italian rules would otherwise both apply. For remote and cross-border setups, the key documents are the certificate of coverage and the Agreement’s Article 7 rules on applicable laws.

This explainer summarises the SSA pamphlet on the Agreement with Italy and the official Agreement text. For broader mobility issues see our cross-border employment checklist.

TL;DR

Agreement in force since 1 November 1978 (supplementary agreement from 1 January 1986).
Scope: Italian compulsory general insurance for old-age, disability and survivors; U.S. Title II Social Security (with stated exceptions).
Default rule: coverage follows the territory where the work is performed, unless Article 7 exemptions or elections apply.
Certificates of coverage (including IT/USA 4 for Italian-side claims of U.S. exemption) prove which system applies.
Totalization can combine periods of coverage for benefit eligibility; it does not set tax residence or immigration status.

What the Agreement is for

Without a totalization agreement, a person working across the United States and Italy can face dual social security coverage—paying into both systems for the same work—or gaps that block benefit eligibility. The Agreement:

assigns one applicable legislation in the situations it covers;
lets each country, when needed, count the other country’s periods of coverage toward eligibility;
provides for mutual administrative assistance and certificates that employers and the self-employed can show auditors.

SSA states that Italian coverage under the Agreement means compulsory general insurance for old-age, disability and survivors (plus substitute benefits). U.S. coverage means Title II of the Social Security Act and related regulations, excluding sections 226, 226A and 228 and their regulations.

Applicable-law rules that matter for remote work

Article 7 starts from a territory rule: persons employed or self-employed in one Contracting State’s territory are subject to that State’s laws, except as the Article provides.

Special rules then address nationals and dual coverage. In the official text:

Services by a U.S. national in Italy that are covered under U.S. law remain covered under U.S. law.
Services by an Italian national in the United States for an Italian employer or an enterprise controlled by an Italian firm are covered under Italian law.
Where the same period of work would be subject to both laws, nationality and election rules decide which system remains applicable, and the other is waived once the covering agency certifies coverage.

SSA’s self-employment summary is consistent with that structure: self-employed U.S. nationals working in the United States and Italy are assigned U.S. coverage; certain Italian or dual nationals may elect. Always match the fact pattern to Article 7 and current SSA/INPS instructions before assuming an outcome.

Certificates of coverage in practice

To show exemption from the other country’s system, you need a certificate:

Italian certificate for employees (IT/USA 4): the employer in Italy requests it from the provincial INPS office where the employer is located. SSA lists the data to include (identity, citizenship, residence, SSN, employers, dates of hire/transfer).
U.S. employers should retain certificates for possible IRS audit; do not send a copy to the IRS unless requested.
Self-employed Italian or dual nationals who elect Italian coverage write to the provincial INPS office and should attach the certificate to the U.S. tax return when claiming exemption.

Without a certificate, dual-contribution disputes are harder to resolve even when the Agreement would support one system.

Benefits and what totalization does not do

If you have credits in both countries, you may qualify for a regular benefit from one or both systems. When one system alone is short of credits, the Agreement can let that country count the other country’s periods (with minima: for example, SSA notes at least six U.S. credits before Italian credits can be counted for a U.S. benefit).

The Agreement does not:

replace Italian INPS obligations outside the covered branches;
decide Italian or U.S. tax residence;
create a visa, remote-work permit or immigration status;
totalize Medicare entitlement with Italian credits (Medicare-related Title II sections are excluded from the Agreement’s U.S. scope as listed by SSA).

For Italy’s digital nomad / remote-worker immigration track see Italy digital nomad visa requirements 2026. For EU multi-state social security reforms see EU social security coordination reform 2026.

A first case review is available via the Relomatrix Snapshot.

FAQ

What does the US-Italy totalization agreement cover?

SSA states that for Italy it covers compulsory general insurance for old-age, disability and survivors, including substitute benefits; for the United States, Title II of the Social Security Act with the listed exceptions.

Article 7’s default is that people employed or self-employed in one Contracting State’s territory are subject to that State’s laws, subject to the Article’s special rules and exemptions.

What if I would otherwise be covered by both systems?

Article 7 uses nationality-based and election rules. Exemptions take effect when the agency of the covering State certifies coverage to the other agency.

How do certificates of coverage work?

An Italian employer seeking U.S. exemption requests IT/USA 4 from the provincial INPS office. Self-employed electors follow SSA’s written request process and keep the certificate with U.S. filings when claiming exemption.

Does totalization decide tax residence or immigration status?

No. It allocates social security coverage and can help with benefit eligibility. Tax residence and immigration remain separate.

General information only, not legal, tax or benefits advice. Confirm your facts with SSA, INPS and a qualified adviser before relying on an exemption.

Sources

Checked on 6 November 2026 (Europe/Rome).