On 31 December 2025, the Socialist Republic of Viet Nam deposited its instrument of accession to the Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents (1961 Apostille Convention). With the accession of Vietnam, the 1961 Apostille Convention now has 129 Contracting Parties. It will enter into force for Vietnam on 11 September 2026. 💡 Tips: Embassy legalization is still required until the above effective date. Click here for t

Apostille Service and Fast and Reliable Assistance for Costa Rica ( or its embassies/consulates) . Both Costa Rica and the United States recognize dual citizenship, allowing individuals to hold both without renouncing either. U.S. citizens can become naturalized Costa Rican citizens (generally after 5-7 years of residency), and children of U.S. citizens born in Costa Rica can acquire both citizenships by birth or descent. Key Aspects of Dual Nationality (CR-USA): Recognition:

Apostille Service and Fast and Reliable Assistance for Brazil ( or its embassies/consulates) . Brazil and the United States allow dual citizenship. Brazilian citizens who become naturalized U.S. citizens do not lose their original citizenship. It is mandatory to use a U.S. passport to enter/exit the U.S. and a Brazilian passport to enter/exit Brazil, so both must be valid. Key aspects of Brazil-USA dual nationality: Entry to Brazil: Brazilian citizens (born or naturalized) mu

Apostille Service and Fast and Reliable Assistance for Belize ( or its embassies/consulates) . Belize and the United States allow dual citizenship, making it easy to hold both passports. U.S. citizens can obtain Belizean citizenship through ancestry, marriage, or naturalization. Dual citizens must enter/exit the U.S. using a U.S. passport and Belize using a Belizean passport. Key aspects of dual nationality (USA-Belize): Recognition: Both countries recognize dual nationality.

Apostille Service and Fast and Reliable Assistance for Uruguay ( or its embassies/consulates) . Uruguay and the United States allow dual citizenship, meaning citizens can hold both without renouncing either. Uruguayans can become naturalized U.S. citizens and vice versa, retaining both passports and facilitating work, travel, and political rights in both countries. Key Aspects of Dual Nationality (Uruguay - USA) Passports and Travel: Both valid passports must be carried. The

Apostille Service and Fast and Reliable Assistance for Peru ( or its embassies/consulates) . Children of Peruvian parents born in the U.S. can have dual citizenship: U.S. citizenship by birth in the U.S. and Peruvian citizenship by descent (consanguinity). To obtain Peruvian citizenship, the parents must register the birth at the nearest Peruvian consulate in the U.S., or the process can be completed in Peru. Key Aspects of Dual Nationality between Peru and the USA: US Entry/

Apostille services for US citizens or Colombian citizens with children born in the United States who are applying for dual citizenship in Colombia (or its embassies/consulates). Apostille service and fast and reliable assistance for Colombia ( or its embassies/consulates) . Children of Colombian parents born in the U.S. automatically obtain U.S. citizenship and can register as Colombian citizens by birth (dual nationality). Dual citizenship between Colombia and the United Sta