Everyone remembers the passport. Most people remember the visa documents. Almost nobody remembers the things on this list — until they're standing in Canada needing them.
This isn't a repeat of the document checklist. These are the overlooked, non-obvious things that specifically catch Latin Americans off guard.
1. Closing or suspending your Mexican/LATAM accounts properly
Most people just... stop using their accounts. Six months later there are surprise fees, blocked cards, or tax complications because the account shows foreign income.
Before you leave:
- Notify your bank you're moving abroad — some banks have a "non-resident" account status that avoids fees
- Set up international access on your debit/credit card (call your bank and ask them to enable it)
- Keep at least one LATAM card active for emergencies — there will be moments in Canada where your Canadian card doesn't work yet
- Check if you owe any outstanding credit card balances — leaving with unpaid debt in LATAM affects your credit there if you ever return
2. Your Mexican phone number
Your Mexican number is attached to more things than you realize: WhatsApp, banking two-factor authentication, government portals, family communication.
If you just cancel it, you'll be locked out of accounts that send SMS codes to that number.
The fix:
- Port your number to a service like Google Voice (available for Mexican numbers in some cases) to keep it active cheaply
- Or switch all your 2FA to an authenticator app (Google Authenticator, Authy) before leaving — this is better security practice anyway
- Keep a Mexican SIM in an old phone with a data-only plan for the first few months
3. Tax residency — nobody tells you about this
When you move to Canada, you potentially become a tax resident of two countries simultaneously — Mexico and Canada — depending on how long you stay and what ties you maintain.
Canada taxes worldwide income for residents. Mexico taxes Mexican-source income.
This is not as scary as it sounds, but you need to be aware:
- Inform the SAT (Mexico's tax authority) if you're leaving permanently — there's a formal process for changing your tax residency
- Keep your RFC active if you have any Mexican income (rental property, freelance clients, investments)
- In Canada, you'll file taxes from your first day of residency — even if you arrived in November, you file for that partial year
Action: Talk to a cross-border accountant before you leave if you have significant assets or income in Mexico. It's a $200–400 USD consultation that can save you thousands in penalties.
4. Prescription medications — the rules are different
Medications that are sold over-the-counter in Mexico often require a prescription in Canada. Some controlled substances that are legal in Mexico cannot be brought into Canada at all.
Common surprises:
- Codeine-based pain medications — prescription only in Canada
- Certain anxiety medications (benzodiazepines) — strictly controlled
- Some antibiotics — prescription required
- Tramadol — controlled substance in Canada
What to do:
- Bring a 3-month supply of any regular medication
- Get a formal prescription from your doctor with the generic name (not just the brand name) — Canadian pharmacies work with generic names
- Declare medications at customs — undeclared controlled substances are a serious legal issue
- Research the Canadian equivalent of your medication before you arrive
5. Telling the SAT you're leaving
If you're a Mexican citizen and you're moving to Canada permanently or for more than 183 days per year, you technically should notify the SAT of your change in tax residency.
The process involves filing a "aviso de actualización de situación fiscal" and updating your RFC status. Most people skip this and face no immediate consequences — but if you ever want to close a business in Mexico, access pension funds, or return without tax complications, having clean SAT status matters.
6. Your AFORE (Mexican pension fund)
If you've worked formally in Mexico, you have an AFORE account with accumulated retirement savings. Most people moving abroad simply forget about it.
You have options:
- Leave it — it keeps growing with minimal returns
- Withdraw it — if you're leaving permanently, you may be eligible to withdraw your AFORE balance (with tax implications)
- Transfer — some agreements exist between Mexico and Canada for pension recognition
At minimum: find out your AFORE balance and which institution manages it (afore.mx) before you leave. It's money you earned.
7. Climate preparation — people underestimate this badly
This is not about packing a coat. Latin Americans systematically underestimate Canadian winters until they experience one.
The actual numbers:
- Toronto winter: -15°C to -25°C with wind chill is normal
- Montreal: -20°C to -35°C wind chill common
- Calgary: -30°C to -40°C wind chill not unusual
- Vancouver: the mild exception — 3–8°C, but constant rain
At -25°C with wind chill, exposed skin gets frostbite in 10–30 minutes. This is not an exaggeration. It's a physiological fact.
What to research before you arrive:
- The specific climate of your destination city (they vary enormously)
- What "wind chill" means and how to read it
- The layering system for cold weather clothing
- Winter boots with proper insulation ratings (look for -30°C or -40°C rated boots if going to Ontario, Quebec, or the Prairies)
You don't need to buy winter gear before you leave — prices in Canada are competitive and you'll need to try things on. But arrive mentally prepared and with enough budget set aside (~$500–800 CAD for a proper winter kit).
8. References — start building them now
Canadian landlords, employers, and even some banks ask for references. Your Mexican references mean almost nothing to a Canadian landlord who can't verify them.
Before you leave, get:
- A reference letter from your current or most recent employer (in English, on letterhead)
- A reference letter from your current landlord if renting (in English, translated)
- Character references from anyone with Canadian connections if possible
These take 10 minutes to request and weeks to regret not having.
9. Photos — the Canadian passport photo format
Canada has specific requirements for ID photos that differ from Mexican standards. When you apply for provincial health cards, driver's licenses, and other documents, you'll need compliant photos.
Canadian photo requirements: 50x70mm, white background, taken within last 6 months, no glasses, neutral expression.
Get a set taken at a proper photo studio before you leave — it's cheaper in Mexico and you'll need them in the first week.
None of these are urgent enough to panic about — but all of them are the kind of thing you'll wish you'd handled before boarding the plane. The pattern with Canada is that the bureaucratic machine moves slower than you expect, and every missing piece adds days or weeks of delay.
Handle the non-obvious stuff now. Future you will be grateful.
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