Before you start

A passport, and a cédula de extranjería once you hold a visa — which lets you register the RUT online
An honest day-count of time physically inside Colombia across any rolling 365-day window, entry and exit days included
Records of worldwide income and assets for the tax year, including foreign bank balances and property
Access to the DIAN MUISCA portal and, if you invoice independently in Bogotá, the Secretaría Distrital de Hacienda's portal

Step-by-step

1
Count your days honestly, on a rolling window
You become a Colombian tax resident on an aggregate 183 days or more within any 365 consecutive days. The window rolls; it is not the calendar year, and residency attaches in the year the 183rd day falls. Residents are taxed on worldwide income; non-residents only on Colombian-source income. Track it from the day you land rather than reconstructing it later from passport stamps.
OnlineWho: You, or a Colombian contadorOngoing from arrival
2
Register a free RUT with DIAN
The Registro Único Tributario is your DIAN registration and generates your NIT. With a cédula you can usually complete it online through the MUISCA portal; with only a passport you book a remote or in-person appointment, submit a pre-filled Formulario 001 and a passport copy, and receive the stamped RUT back. It is free, and several banks will want it before opening your account anyway.
OnlineWho: You, with DIANSame day to about a weekFree
3
Convert every threshold through the right year's UVT
Almost every Colombian tax figure is quoted in UVT (Unidad de Valor Tributario), which DIAN republishes each December for the following year. Filing obligations trigger at 1,400 UVT of gross income, consumption or bank deposits and 4,500 UVT of gross worldwide assets. A return filed this year for last year's income uses last year's UVT, not this year's — mixing them up produces materially wrong numbers.
OnlineWho: You or your contadorAn hour or two
4
Check whether Bogotá's ICA applies to you
The Impuesto de Industria y Comercio is a district tax on industrial, commercial and service activity carried on in Bogotá, charged on gross receipts at a rate per thousand that depends on your activity code — consultancy in the exercise of a liberal profession was cut to 7.66 per thousand from 2022 under Acuerdo Distrital 780 de 2020, while several other service codes remain at 9.66. Salaried employment is outside it. Independent professionals invoicing from Bogotá are generally inside it, and it is filed with the Secretaría Distrital de Hacienda, bimonthly or annually depending on your prior-year liability.
OnlineWho: You, with the Secretaría Distrital de HaciendaRegistration once; then bimonthly or annual returnsRate per thousand of gross receipts, by activity code
5
Ask a contador whether the Régimen Simple suits you
The Régimen Simple de Tributación rolls income tax, ICA and some other obligations into a single unified rate on gross receipts, filed once with DIAN. For a small independent professional it can be both cheaper and dramatically less administrative work than filing DIAN and Bogotá separately, but it is an election with conditions and deadlines — and it is not right for everybody, particularly people relying on foreign tax credits.
OnlineWho: You, with a Colombian contadorElection made within the annual window
6
File the declaración de renta between August and October
The tax year is the calendar year and the individual filing window runs roughly mid-August to late October, with your exact date fixed by the last two digits of your NIT as shown on the RUT, ignoring the verification digit. File and pay through MUISCA. Missing your dated slot triggers automatic late-filing penalties and interest, so put the date in a calendar the moment you have a NIT.
OnlineWho: You or your contadorAnnual, on your NIT-assigned dateFiling is free; a contador for a foreigner's worldwide return typically runs from COP 400,000 upward

Documents you’ll need

Passport and cédula de extranjería
RUT certificate showing your NIT
Income evidence: foreign and Colombian salary, freelance invoices, retención en la fuente certificates
Asset and bank records for the patrimonio declaration, valued at the 31 December exchange rate
ICA registration and gross-receipts records if you invoice independently from Bogotá

Things most newcomers don’t know

Bogotá has its own tax authority. Income tax goes to DIAN, but ICA, predial and the vehicle tax are district taxes filed with the Secretaría Distrital de Hacienda, and a Colombian accountant who only does DIAN work is not automatically doing your Bogotá work.

Foreign freelancers hire a contador, file a clean national return, and are genuinely surprised months later by an ICA assessment on gross receipts they had already paid income tax on. ICA is charged on turnover rather than profit, at a rate set by activity code — 7.66 per thousand for consultancy in a liberal profession since 2022, 9.66 for various other service codes — so it is not trivial for a well-paid consultant. Check your own code rather than assuming a headline rate.

Source: Secretaría Distrital de Hacienda — Impuesto de Industria y Comercio

For a small independent, the Régimen Simple can replace both the DIAN return and the Bogotá ICA return with a single unified filing.

It is one of the few genuinely simplifying options in Colombian tax and it folds ICA into the national rate, which removes the two-authority problem entirely. It is an election with eligibility conditions and an annual deadline, and it interacts badly with foreign tax credits, so it is a conversation with a contador rather than a default.

Source: DIAN — Régimen Simple de Tributación

The digital-nomad visa does not shield you from tax residency. 183 days in any rolling 365 makes your worldwide income declarable in Colombia, whoever pays you and wherever they are.

Residency is a pure day count under Colombian law and takes no notice of visa class, employer location or where the money lands. The rolling window also catches people who split the year in half across two calendar years and assume each half is safe. Below the line, a non-resident is taxed only on Colombian-source income, which most remote earners have none of.

Source: PwC Worldwide Tax Summaries — Colombia, individual residence

There is no comprehensive income tax treaty between the United States and Colombia, so Americans coordinate relief manually.

US citizens keep filing with the IRS on the same worldwide income regardless of where they live, and without a treaty there is no tie-breaker or reduced-rate article to fall back on — relief comes through the Foreign Tax Credit or the Foreign Earned Income Exclusion, claimed correctly and in the right order. This is the single most common reason an American in Bogotá needs a cross-border adviser rather than a local one.

Source: US Department of the Treasury tax treaty list; PwC Colombia

Common mistakes to avoid

Assuming a digital-nomad visa or a foreign employer keeps you out of Colombian tax residency — only staying under 183 days in any rolling 365 does that.
Filing a clean DIAN return and never registering for Bogotá's ICA as an independent professional.
Converting a UVT threshold with the wrong year's value, which makes every derived figure wrong.
Missing the filing date assigned by the last two digits of your NIT, which triggers automatic penalties and interest.
Americans assuming a US–Colombia tax treaty exists and relieves double taxation — it does not.

Some of this may be out of date. Spotted something inaccurate? Help us keep it right for the next newcomer.