IR35 Glossary: Your Guide to Key Contracting Terms

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Agency Worker

A worker hired through a recruitment agency.

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Agency Workers Regulations (AWR)

UK regulations protecting agency workers' rights.

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Allowable Expenses

Business costs that can be claimed for tax relief.

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Annual Investment Allowance (AIA)

Tax relief on business equipment investments.

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Annual Return

A yearly statement filed by limited companies.

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Anti-Avoidance Legislation

Laws designed to prevent tax evasion.

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Arguable Point

A debatable issue in IR35 determinations.

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Assignment

A contractor’s engagement with a client.

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Auto-Enrolment

A pension scheme mandatory for eligible workers.

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