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St Kitts and Nevis: individual tax scope

The general income-tax charge ceased to apply to individuals in 1980, but this is not a tax-free-passport rule. Unincorporated business tax and withholding on covered payments to nonresidents require separate consideration.

Sources reviewed 3 official sources
Official-source summary

General individual income-tax charge removed

Section 3(3) disapplies the general income-tax charge to income accruing from 1 May 1980 except income of a company liable under that section. The revenue department confirms abolition for individuals; this covers the general charge rather than eliminating every tax affecting a person.

Saint Kitts and Nevis Law CommissionInland Revenue DepartmentIncome Tax Act section 3(3), printed page 11; IRD corporate-income-tax page, opening historical explanation
Conditions apply

Do not revive old worldwide-income wording

Section 3's domestic and foreign-income provisions must be read with the later individual exclusion. They are not a current general worldwide-income or remittance-basis charge on ordinary individuals. Separate business and withholding provisions can still matter.

Saint Kitts and Nevis Law CommissionIncome Tax Act section 3(1)–(3), read together
Conditions apply

Covered payments to nonresidents

Resident payers must withhold on covered income paid or credited to nonresidents, including specified interest, rent, fees, royalties and services. Section 36 expressly includes individuals; the payer can have this duty even when not otherwise an income-tax taxpayer.

Saint Kitts and Nevis Law CommissionIncome Tax Act section 36(1), (4)–(8), printed pages 36–38
Conditions apply

Self-employment has a separate business tax

Unincorporated business tax applies to covered business carried on locally, including personal services but excluding employment. Its ordinary base uses gross takings subject to statutory reductions, not net salary; qualifying businesses may instead make the Act's continuing election for Income Tax Act calculation.

Saint Kitts and Nevis Law CommissionUnincorporated Business Tax Act sections 2–5, especially 3 and 5(5)–(7)
Conditions apply

Quarterly business returns

Persons liable for unincorporated business tax must file quarterly returns and pay by 15 March, June, September and December for the preceding quarter. Partners are jointly and severally liable, although one partner can be designated to file and pay.

Saint Kitts and Nevis Law CommissionUnincorporated Business Tax Act sections 6–7; section 7 as substituted by Act 6 of 2014
Not established in this pass

Residence and agreement limits

No general individual 183-day tax-residence rule was established from these sources. The Income Tax Act allows double-taxation arrangements declared by order to override contrary enactments; any relief must match the relevant person, income and agreement.

Saint Kitts and Nevis Law CommissionIncome Tax Act sections 3, 36(5) and 90

Scope and limitations

  • The official tax statutes are revised to 31 December 2017. Current IRD confirmation of individual income-tax abolition was separately read. Rates and thresholds, which can be changed or temporarily reduced, are deliberately omitted.
  • A passport is not proof of tax residence or immunity from another country's tax. Social levies, contributions, VAT, property taxes and special business elections need separate advice.

Next review due . An official update can change these requirements sooner.

Official sources

  1. Income Tax Act, Chapter 20.22 — 31 December 2017Saint Kitts and Nevis Law Commission · Retrieved 2026-09-22 · EN
  2. Income-tax history — abolition for individualsInland Revenue Department · Retrieved 2026-09-22 · EN
  3. Unincorporated Business Tax Act — 2017 revisionSaint Kitts and Nevis Law Commission · Retrieved 2026-09-22 · EN