Forms Library

Instructions for completing the Italian Certificazione Unica (CU) 2025, the unified withholding certificate for employees and contractors.

HMRC form to apply for National Insurance credits for parents and carers to protect State Pension entitlement.

HMRC charities application form for recognition of tax-exempt status and registration for Gift Aid.

HMRC template for contractors to provide payment and deduction statements to subcontractors under the Construction Industry Scheme.

HMRC Construction Industry Scheme form for individuals to register as subcontractors for payment under deduction or to apply for gross payment status.

HMRC guidance notes for completing CIS individual registration for gross payment status, including compliance tests and turnover requirements.

HMRC guidance notes for CIS company registration, covering compliance tests and turnover requirements for gross payment status.

CIS statement form for Construction Industry Scheme participants.

Vermont corporate estimated tax payment voucher for corporations making quarterly estimated payments.

Colorado retail sales tax return for businesses collecting and remitting state sales tax.

Colorado individual income tax return for full-year and part-year residents. The primary form for filing Colorado state income taxes.

Colorado schedule for computing alternative minimum tax liability for individuals.

Colorado schedule for making voluntary contributions to qualifying charitable organizations through the tax return.

Colorado schedule for part-year residents and nonresidents to calculate Colorado income tax.

Colorado fiduciary income tax return for estates and trusts required to file in Colorado.

Colorado partnership and S corporation income tax return, also used for composite filing.

Colorado estimated tax payment voucher for composite nonresident filers.

Colorado agreement form for nonresident partners or S corporation shareholders regarding Colorado tax.

Colorado C corporation income tax return for corporations doing business in Colorado.

Colorado C corporation income tax return for the 2024 tax year.

Colorado extension payment voucher for C corporation income tax filers requesting additional time to file.

Colorado estimated income tax payment voucher for individuals making quarterly estimated payments.

Colorado payment voucher for submitting C corporation income tax payments.

Colorado payment voucher for submitting fiduciary (estate/trust) income tax payments.