US vs Mexico Customs (SAT/Aduanas) Rules Compared (2026)
Mexico restricts travelers to 1 portable computer without 19% tax, while the US has no laptop limit. Compare duty-free entry allowances.
The Decision Verdict (40–60 Words)
US Customs and Mexican Customs (SAT/Aduanas) differ drastically on electronic devices: Mexican customs strictly enforces an allowance of only one portable computer/laptop per passenger, imposing a 19% tax on any second device, whereas US customs allows multiple personal laptops without tax or restriction.
Detailed Comparison Table
| Comparison Dimension | Mexico Customs (SAT/Aduanas) 🇲🇽 Mexico | |
|---|---|---|
| Portable Computer / Laptop Limit Differs by Rule | No limit for personal use devices Source (CBP) | Strictly 1 Laptop per passenger (2nd laptop taxed @ 19%) Source (SAT Aduanas) |
| Cigarette & Tobacco Exemption Differs by Rule | Up to 200 cigarettes (1 carton) Source (CBP) | Up to 10 packs (200 cigarettes) Source (SAT) |
| Vapes & Electronic Cigarettes Differs by Rule | Allowed in carry-on baggage Source (TSA) | STRICTLY PROHIBITED (Presidential Decree confiscation & fines) Source (DOF Mexico) |
Where Rules Are 100% Identical
To prevent false assumptions, the following standards are shared without difference between all compared parties:
- 200 cigarettes personal duty-free tobacco allowance
- Mandatory currency declaration over $10,000 USD
Key Rule Distinctions Explained
What is the rule for portable computer / laptop limit?
Mexican customs regulations permit only one laptop or portable computer as personal luggage. Bringing both a work laptop and personal laptop triggers mandatory 19% duty on the estimated value of the second machine.
What is the rule for cigarette & tobacco exemption?
Both countries permit up to 200 cigarettes (10 packs / 1 carton) duty-free per adult traveler.
What is the rule for vapes & electronic cigarettes?
Mexico completely bans the importation, circulation, and commercialization of all electronic cigarettes, vapes, and e-liquids. Customs officers at Mexican airports confiscate all vaping devices and issue fines.
Traveler Recommendation & Decision Summary
Do not travel to Mexico with two laptops or any vaping device. Vapes will be confiscated with fines, and a second laptop will be taxed at 19% of assessed value.
Check Your Exact Items
Use our free calculators to verify watt-hours or liquids volume for your flight.
Frequently Asked Questions
Can I bring two laptops to Mexico on vacation?
Under Mexican customs law, each passenger is allowed only one portable computer duty-free. If customs officers find a second laptop in your baggage, you will be required to pay a 19% tax on the assessed value of the second machine (often $100–$250 USD) before leaving the airport.
Are vapes allowed in Mexico?
No. Electronic cigarettes and vaping devices are completely prohibited from entry into Mexico under presidential decree. Bringing any vape or e-liquid through Mexican airport customs inspection will result in immediate confiscation, rigorous secondary questioning, and administrative fines ranging from $50 to $500 USD.
Official Primary Sources & Citations
- SAT Mexico Customs Luggage Allowance Verified: 2026-09-03
- US CBP International Travel Guide Verified: 2026-09-03