Form guide
Modelo 455 of Canary Islands: AIEM. Declaración-resumen anual
Form 455 (AIEM. Declaración-resumen anual) is filed with the Agencia Tributaria Canaria (ATC, the Canary Islands Tax Agency). In 2026 it falls due on 3 February 2026, according to the official calendar.
In a nutshell
- Filed with
- the Agencia Tributaria Canaria (ATC, the Canary Islands Tax Agency)
- For those taxed in
- Canary Islands
- How often
- Annual
- Deadlines in 2026
- One: 3 February 2026
- Official calendar consulted on
- 21 September 2026
Who files it
Text from the official source, in Spanish
Sujetos pasivos del AIEM (los que presentan el 450).
All its deadlines
Each row is a deadline from the official calendar: the last day to file. When that day falls on a Saturday, Sunday or public holiday, the calendar already moves it to the next working day.
| Period | Last day | Day |
|---|---|---|
| Año 2025 | 3 February 2026 | Tuesday |
| Año 2026 | 1 February 2027 | Monday |
Every deadline of the year, month by month: the 2026 tax calendar for Canary Islands.
Frequently asked questions
When is form 455 filed in 2026?
According to the official calendar of the Agencia Tributaria Canaria (ATC, the Canary Islands Tax Agency): Año 2025, by 3 February 2026.
Who has to file form 455?
According to the Agencia Tributaria Canaria (ATC, the Canary Islands Tax Agency): “Sujetos pasivos del AIEM (los que presentan el 450).”
What happens if I file form 455 late?
If you file it before the tax authority has asked you to and there is an amount to pay, there is a surcharge of 1% plus another 1% for each full month of delay, and of 15% plus interest after twelve months (art. 27 of the Ley General Tributaria, the General Tax Act). If there is nothing to pay, the general penalty is €200, which drops to €100 if you file without having been asked; for information returns it goes by the item of data (art. 198). The details are in the guide to missed deadlines.
Does Mis Obligaciones file form 455 for me?
No. Mis Obligaciones suggests it in your calendar with the reason, takes you to its official page and reminds you a week before and the day before. The filing is done by you, or your gestoría (tax adviser’s office), on the website of the Agencia Tributaria Canaria (ATC, the Canary Islands Tax Agency).
Official sources
Where what this page says comes from, consulted on the review date. If something does not match, the source prevails.
- 2026 tax calendar for Canary Islands Agencia Tributaria Canaria
Keep reading
- Canary IslandsThe 118 deadlines of 2026 in Canary Islands, month by month: the form, the period and the last day, copied from the official calendar. In .ics and .json.
- Filing lateWhat it costs to file a Hacienda form late or pay the Seguridad Social late: 1% per month, 15%, the €200 penalty and the 10% and 20% surcharges.
- Examples7 made-up profiles and the 2026 calendar that Mis Obligaciones’s rules give them: self-employed under direct assessment and under modules, companies, the Canary Islands, Bizkaia and Navarre.
- GlossaryWhat an autoliquidación, the 70% rule, REDEME, SII, IGIC, the Concierto Económico or RETA are, explained in two sentences with their official source.
This is information copied from official sources to help you find your way, not tax advice: your case may have exceptions. Check it on the authority’s website or with whoever advises you.
Your deadlines, and only yours
Tell Mis Obligaciones what you do for a living and it suggests your calendar for the year, each form with its reason. You review it, and it reminds you a week before and the day before.