Tools
Tax Calendar
Key dates to avoid penalties and stay compliant with Hacienda.
Month
April 2026
Monthly obligations
D-104 — VAT Declaration
Declare the previous month's VAT and determine the tax payable or credit balance.
Due date: 15th of each month (or next business day).
D-170 — Withholding at Source
Withholdings on salaries, fees, or other payments subject to withholding.
Due date: 15th of each month (if applicable).
D-108 — Foreign Remittances
Tax on payments abroad (services, royalties, interest).
Due date: 15th of the month following payment (if applicable).
Annual obligations
D-270 — Informational Declaration
Purchases and sales from the previous fiscal period. Applies if you exceed the threshold.
Due date: March 31 (previous fiscal period).
D-150 — Legal Entities
Declaration of partners, shareholders, and profit distribution.
Due date: April 30 of each year.
D-101 — Income Tax
Annual declaration for the fiscal period (October–September).
Due date: December 15 of each year.
.p12 Certificate Expiry
Check the digital certificate validity and renew in advance.
Due date: Before the certificate expiration date.
Color code
Quick checklist by obligation
D-104 — VAT Declaration
- Sales and purchases for the period
- Issued electronic documents
- Withholdings and credit/debit notes
D-170 — Withholding at Source
- Withholding details for the period
- Payroll and fees schedule
- Payment support
D-108 — Foreign Remittances
- Foreign supplier contracts and invoices
- Exchange rate applied
- Payment support
D-270 — Informational Declaration
- Client and supplier consolidation
- Electronic documents for the period
- Amount control by third party
D-150 — Legal Entities
- Partners/shareholders registry
- Profit distribution
- Legal representative data
D-101 — Income Tax
- Audited financial statements
- Tax reconciliation
- Deductions and expenses detail
.p12 Certificate Expiry
- Digital certificate (.p12)
- Encrypted PIN
- Holder data
Recommended resources
Review the full guide and receive automatic reminders inside Kontafico.