Forms Library

Colorado Department of Revenue form for filing annual state income tax returns.

Cotisation minimale d'impôt sur les sociétés

Connecticut resident individual income tax return. The primary form for Connecticut residents to file state income taxes.

Connecticut application for extension of time to file individual income tax return.

Connecticut tax calculation schedule used with Form CT-1040 to compute tax liability.

New York estimated tax payment form for corporations required to make quarterly estimated tax payments.

Connecticut withholding certificate for pension, annuity, and other retirement distributions.

Irish Revenue Corporation Tax return form CT1 for companies, covering tax year 2024.

Corporation tax return form for companies and other entities.

HMRC Company Tax Return form CT600 for corporation tax, version 3 (2021 edition).

Supplementary page for corporation tax return with additional details.

HMRC supplementary page for company tax returns relating to charitable activities and CTRS claims.

HMRC supplementary page for Corporation Tax return for companies with Tonnage Tax elections.

HMRC supplementary page for Corporation Tax return covering Research and Development tax relief claims.

Portuguese periodic VAT declaration form, submitted monthly or quarterly by VAT-registered entities.

Déclaration complémentaire de revenus

Déclaration d'option pour l'imposition forfaitaire

Déclaration d'options fiscales

Déclaration d'options pour l'impôt sur les sociétés

Déclaration de patrimoine immobilier

Déclaration de réductions d'impôt

Déclaration de revenus fonciers

Déclaration de revenus issus d'activités libérales

Déclaration de revenus issus de professions libérales