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Clear steps for SAT, CFDI, and tax obligations.

Accountant updating a historical tax loss schedule.
Tax Losses11 min read

Tax Losses: Updating, Amortization, and Control File

Manage tax losses by fiscal year with origin, updating, applications, balance, and support before reducing profits.

Fintax Team · Sep 14, 2026Read guide →
Person reviewing the reason for a rejected refund and preparing evidence for SAT.
SAT Refunds9 min read

Rejected Tax Refund by SAT: Causes and What to Do

When SAT does not refund your tax credit balance, review the result, classify the inconsistency, and decide whether to clarify, correct,...

Fintax Team · Aug 16, 2026Read guide →
Independent professional preparing a 2026 annual return step by step.
Guías7 min read

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.

Equipo Fintax · May 31, 2026Read guide →
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