Letting a Mexican residency card lapse is more common than you'd think — a delayed flight home, a lost track of dates, a hospital stay — and the consequences depend heavily on where you were when it expired and how many days have slipped by.

First, the good news: permanent residents aged 18 and over never need to renew their card at all. It's valid for life, though you're expected to notify immigration if you move house, marry, or change jobs. Minors with permanent residency are the exception and do have to renew periodically.

Temporary residents, though, need to stay on top of dates. Renewals can only be filed during the 30-day window before the card expires — not earlier, and renewals can't be done at a consulate abroad or by someone acting on your behalf. Everything happens in person at an immigration office in Mexico.

If you're in Mexico and miss that window, you have 60 calendar days after expiry to file a 'regularization' procedure. This isn't a simple rubber stamp: you effectively re-apply from scratch, proving your income with foreign bank statements that must be notarized, apostilled and officially translated into Spanish. You'll pay late penalties on top of normal fees, and the new card is only valid for one year — with all your previously accrued years wiped out, which matters if you were counting towards permanent residency. Crucially, you cannot leave Mexico at all while the process is underway, even in an emergency, or the application becomes void.

If the card expired while you were abroad, the rules are different. You can re-enter Mexico as a resident and file a normal renewal if you return within 55 days of the expiry date and apply within 5 days of arriving — and you have less than four years of temporary residency accrued. Return between days 56 and 60, or miss the 5-day filing deadline, and you're pushed into the regularization route with all its paperwork and penalties.

Beyond 60 days past expiry, there's no fixing it in-country. You'll need to start a fresh application from a Mexican consulate abroad — unless you have qualifying family connections in Mexico, in which case family unit rules let you re-apply from inside the country.

There's also a hard ceiling: once you've accrued four years on temporary residency, an expired card can't be renewed or swapped for permanent status. The only path back is restarting at a consulate (or via family connections).

Finally, if your card has expired and you simply want to leave Mexico without renewing, you can — but stop at the immigration desk before departure, where you may be fined an amount at the official's discretion.

The practical takeaway for expats and long-stay travellers: diary the expiry date 60 days out, start the renewal in the final month, and if the worst happens, count the days carefully — the 5, 55 and 60-day thresholds determine everything. Anyone with four years banked should treat their card expiry date as immovable.