Argentina
The laws most likely to catch a visitor off guard. What is legal at home can be a serious crime here — each rule links to its official source.
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Penalties for drug offenses in Argentina are severe even for small amounts, including long prison terms; drug-facilitated robbery (via bars or dating apps) is increasingly common.
Long prison terms even for small amounts.
§ Australian DFAT Smartraveller — ArgentinaCannabis
Cannabis is illegal in Argentina - possessing even a small amount for your own use is a crime under article 14 of Ley 23.737, punishable by one month to two years in prison. In 2009 the Supreme Court ruled in "Arriola" that punishing an adult for private personal use was unconstitutional, but the Court said expressly that it was not ordering general decriminalisation, and the article is still in force - so it is a defence a judge may apply after an arrest, not a licence to carry. Medical cannabis is legal only through the REPROCANN registry, which requires an Argentine national-ID account and a locally registered prescribing doctor.
Possession for personal use: one month to two years in prison (Ley 23.737 art. 14, second paragraph). Possession not established as personal use: one to six years plus a fine. Growing plants where the small quantity shows it is for personal consumption: one month to two years; otherwise cultivation, supply or sale carries four to fifteen years (art. 5). A first-time user who is not dependent may, once only, have the sentence replaced by a mandatory educational measure lasting at least three months (art. 21).
§ InfoLeg - Ministerio de Justicia de la Nacion (Ley 23.737)Medications
Confirm your medication is legal with the Argentine Embassy and carry it in original packaging with the prescription; not all US medications are available in Argentina.
§ US State Dept — ArgentinaWeapons
Travelers hunting or fishing must follow all gun and game laws; some US citizens report problems bringing firearms in and out, so check with the Argentine Embassy before traveling with one.
§ US State Dept — ArgentinaCustoms & Cash
Travelers 16+ may bring up to USD 10,000 (or equivalent) undeclared and under-16 up to USD 5,000; above that must be declared. Exchange money only at banks, hotels, or legitimate offices with your passport.
§ US State Dept — ArgentinaDriving
An Argentine or international driver's license is needed to drive in Argentina; driving is more dangerous than in the US, with aggressive driving common, especially in Buenos Aires.
§ US State Dept — ArgentinaLGBTQ+ Safety
There are no legal restrictions on same-sex sexual relations or LGBTQ events in Argentina, which has strong protections including same-sex marriage (since 2010).
§ US State Dept — ArgentinaPublic Conduct
Offenses against Argentine national symbols carry a penalty of 6 months to 4 years in jail — be mindful when photographing or commenting on official symbols.
6 months to 4 years in jail.
§ Australian DFAT Smartraveller — Argentina