IR35 Glossary: Your Guide to Key Contracting Terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Capital Allowances

Tax relief on business assets.

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Case Law

Legal decisions that set precedents for IR35.

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Cash Flow

The movement of money in and out of a business.

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CEST (Check Employment Status for Tax)

HMRC’s IR35 assessment tool.

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Chartered Accountant

A qualified professional managing accounts and finances.

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Class 2 National Insurance

NICs paid by the self-employed.

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Class 4 National Insurance

Profit-based NICs for the self-employed.

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Confirmation of Arrangements

A document outlining working relationships.

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Confirmation Statement

A statutory filing to update company details.

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Construction Industry Scheme (CIS)

A tax scheme for contractors in construction.

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