Tax & payroll deadlines for Guatemala and Mexico — with official sources
Running a business or a team in Guatemala or Mexico? Every filing and payment deadline for 2026–2027 lives here: VAT, income tax, ISO, IGSS, IMSS, INFONAVIT, DIOT, PTU, Bono 14 and aguinaldo. Each date links to the law behind it. The site is in Spanish; each deadline page ends with an English summary.
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Next deadlines
| Due date | Obligation | Period |
|---|---|---|
| Mon, Nov 2, 2026 | DIOT — monthly supplier VAT report ⚠ See notes | Period: September 2026 |
| Mon, Nov 2, 2026 | ISO solidarity tax — quarterly | Quarter Jul–Sep 2026 |
| Mon, Nov 2, 2026 | Quarterly income tax — profits regime | Quarter Jul–Sep 2026 |
| Mon, Nov 2, 2026 | Monthly VAT return — general regime | Period: September 2026 |
| Mon, Nov 2, 2026 | Small-taxpayer 5% VAT — monthly | Period: September 2026 |
| Tue, Nov 3, 2026 | E-accounting trial balance — companies ⚠ See notes | Period: September 2026 |
| Thu, Nov 5, 2026 | CFDI payment receipts (REP) | Period: October 2026 |
| Thu, Nov 5, 2026 | E-accounting trial balance — individuals ⚠ See notes | Period: September 2026 |
| Fri, Nov 13, 2026 | Simplified optional income tax — monthly | Period: October 2026 |
| Fri, Nov 13, 2026 | Income-tax withholdings (payroll & suppliers) — monthly | Period: October 2026 |
| Tue, Nov 17, 2026 | Monthly ISR/VAT payments and withholdings | Period: October 2026 |
| Tue, Nov 17, 2026 | IMSS employer/employee contributions — monthly | Period: October 2026 |
| Tue, Nov 17, 2026 | Retirement (RCV) and INFONAVIT housing — bimonthly ⚠ See notes | Bimester September–October 2026 |
| Fri, Nov 20, 2026 | IGSS social-security payroll & contributions ⚠ See notes | Period: October 2026 |
| Mon, Nov 30, 2026 | DIOT — monthly supplier VAT report ⚠ See notes | Period: October 2026 |
| Mon, Nov 30, 2026 | Monthly VAT return — general regime | Period: October 2026 |
| Mon, Nov 30, 2026 | Small-taxpayer 5% VAT — monthly | Period: October 2026 |
| Thu, Dec 3, 2026 | E-accounting trial balance — companies ⚠ See notes | Period: October 2026 |
| Sat, Dec 5, 2026 | CFDI payment receipts (REP) | Period: November 2026 |
| Mon, Dec 7, 2026 | E-accounting trial balance — individuals ⚠ See notes | Period: October 2026 |
| Mon, Dec 14, 2026 | Simplified optional income tax — monthly | Period: November 2026 |
| Mon, Dec 14, 2026 | Income-tax withholdings (payroll & suppliers) — monthly | Period: November 2026 |
| Tue, Dec 15, 2026 | Aguinaldo (Christmas bonus) | First 50% (2026 bonus) |
| Thu, Dec 17, 2026 | Monthly ISR/VAT payments and withholdings | Period: November 2026 |
| Thu, Dec 17, 2026 | IMSS employer/employee contributions — monthly | Period: November 2026 |
| Sat, Dec 19, 2026 | Aguinaldo (Christmas bonus) | 2026 bonus |
| Mon, Dec 21, 2026 | IGSS social-security payroll & contributions ⚠ See notes | Period: November 2026 |
| Thu, Dec 31, 2026 | DIOT — monthly supplier VAT report ⚠ See notes | Period: November 2026 |
| Thu, Dec 31, 2026 | Monthly VAT return — general regime | Period: November 2026 |
| Thu, Dec 31, 2026 | Small-taxpayer 5% VAT — monthly | Period: November 2026 |
| Mon, Jan 4, 2027 provisional | E-accounting trial balance — companies ⚠ See notes | Period: November 2026 |
| Tue, Jan 5, 2027 provisional | CFDI payment receipts (REP) | Period: December 2026 |
| Tue, Jan 5, 2027 provisional | E-accounting trial balance — individuals ⚠ See notes | Period: November 2026 |
| Fri, Jan 15, 2027 provisional | Simplified optional income tax — monthly | Period: December 2026 |
| Fri, Jan 15, 2027 provisional | Income-tax withholdings (payroll & suppliers) — monthly | Period: December 2026 |
| Mon, Jan 18, 2027 provisional | Monthly ISR/VAT payments and withholdings | Period: December 2026 |
| Mon, Jan 18, 2027 provisional | IMSS employer/employee contributions — monthly | Period: December 2026 |
| Mon, Jan 18, 2027 provisional | Retirement (RCV) and INFONAVIT housing — bimonthly ⚠ See notes | Bimester November–December 2026 |
| Wed, Jan 20, 2027 provisional | IGSS social-security payroll & contributions ⚠ See notes | Period: December 2026 |
| Sun, Jan 31, 2027 provisional | Aguinaldo (Christmas bonus) | Second 50% (2026 bonus) |
Pro reminders
Get only your regime’s deadlines by email or WhatsApp, 3 days ahead and on the day. US$3/month or US$29/year per country. The Company plan is US$9/month and covers up to 10 tax IDs.
See plansInformational only — not tax or legal advice. Official calendars prevail.