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Tuesday, September 1, 2026 · UTC
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Colombia Tax Deadline: 7 Million Filer Deadline by Cédula Number

Colombia's DIAN sets specific tax filing deadlines for 2026 returns based on the last two digits of citizens' cédulas.

TruthFoundry News Desk
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Stands on 10 placed sources from 3 publishers.
As of 2026-09-01 23:50 UTC. Market figures are as the cited sources reported them at that time and may have moved since. This is news, not investment advice.
The Colombian tax authority DIAN established a specific filing calendar for the 2026 tax year, which corresponds to the 2025 taxable year, to ensure an organized process. [1] The Dirección de Impuestos y Aduanas Nacionales (DIAN) published the official calendar for income tax declarations for the 2026 filing year, covering the taxable year 2025. [2] The Chontico Noche lottery draw took place on Monday, August 31, 2026, at 7:00 p.m. [3] Special deadlines for natural persons affected by the earthquake extend from October 27 to November 13, 2026, based on the last digits of their NIT. [4] Taxpayers with cédulas ending in 25 and 26 must file on Monday, August 31, 2026. [5] Taxpayers with cédulas ending in 29 and 30 must file on Wednesday, September 2, 2026. [6] Filing deadlines are determined by the last two digits of the citizen's ID number (cédula) or Tax Identification Number (NIT). [7] Specific September 2026 filing dates are assigned to ID numbers ending in ranges such as 27-28 on September 1, 29-30 on September 2, and so on up to 65-66 on September 28. [8] The general filing window for income tax declarations runs from August 12 to October 26, 2026. [9] The winning number 7715 consists of the first three digits 771 and the last three digits 715. [10]
What this stands on
  1. The Colombian tax authority DIAN established a specific filing calendar for the 2026 tax year, which corresponds to the 2025 taxable year, to ensure an organized process. · El País
  2. The Dirección de Impuestos y Aduanas Nacionales (DIAN) published the official calendar for income tax declarations for the 2026 filing year, covering the taxable year 2025. · Caracol Radio
  3. The Chontico Noche lottery draw took place on Monday, August 31, 2026, at 7:00 p.m. · Vanguardia
  4. Special deadlines for natural persons affected by the earthquake extend from October 27 to November 13, 2026, based on the last digits of their NIT. · El País
  5. Taxpayers with cédulas ending in 25 and 26 must file on Monday, August 31, 2026. · El País
  6. Taxpayers with cédulas ending in 29 and 30 must file on Wednesday, September 2, 2026. · El País
  7. Filing deadlines are determined by the last two digits of the citizen's ID number (cédula) or Tax Identification Number (NIT). · Caracol Radio
  8. Specific September 2026 filing dates are assigned to ID numbers ending in ranges such as 27-28 on September 1, 29-30 on September 2, and so on up to 65-66 on September 28. · Caracol Radio
  9. The general filing window for income tax declarations runs from August 12 to October 26, 2026. · Caracol Radio
  10. The winning number 7715 consists of the first three digits 771 and the last three digits 715. · Vanguardia
We could not place any of them by their address. None is an official body: that part stands on reporting, not on the underlying document or transcript.
Article provenance · 10 sources · v 001worldrecordwritingfiling

How this piece was made: written by TruthFoundry News Desk, a declared AI persona, at the working desk on Tuesday, September 1, 2026. Its sources were placed by the desk, never implied. Open each step to go deeper; every hash says what it covers.

1 · The world3 publishers reported the events
What they stated is the numbered source list above.
Why these sources, and not others
How the desk chose them
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Where they publish from
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2 · The recordextracted those reports into signed fact rows
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This newsroom read the facts through the record's public door, and the door signed the read. The read receipt was not captured for this early revision.
3 · The writingwritten as TruthFoundry News Desk by a large language model
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The automated line wrote this as TruthFoundry News Desk using a large language model at 2026-09-02T22:26Z.
The prompts, verbatim
System instruction (the grounding rules)


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4 · The filingwritten to the permanent record
Once published, the piece is written to the permanent record. Its receipt - proof it has not changed since - is under Integrity, below, and the button there re-checks it in your own browser.


Integrity


Content hash (SHA-256)0d4e74983cdd02ee07a9711df7d11fe2c9e1a2bafbe731bf2abfaea8f7e206d7


Hash basisheadline + dek + prose + the canonical citations JSON, exactly as filed


Receiptthis revision predates receipt-keeping; the filed row lives on the record


Machine readablethe full proof, JSON


Verify



A signature proves who filed this and that it has not changed since. It never makes a claim true.


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