Lost your e.firma KEY file? How to choose your renewal route
Downloading a CER certificate does not recover the private KEY file. For an adult individual taxpayer, the renewal route depends on...
Understand your taxes.
Make better decisions.
Clear steps for SAT, CFDI, and tax obligations.
Which Tax Regime to Choose for a Service Business: RESICO or Professional Activity
Compare RESICO, Business and Professional Activities, and legal entities before starting a service business.
2026 annual tax return for individuals in Mexico
Guide to Mexico's 2026 annual tax return for individuals: filing duties, prefilled data, deductions, refunds, payments and late corrections.