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Class 4

Business Class 1 & Class4 National Insurance Contributions

National Insurance Contributions (NICs) are paid by almost everyone who works for a living and go towards paying for pensions, benefi ts and healthcare.

Updates Tax changes for 2011–12: National insurance

The level of earnings (primary threshold) up to which no Class 1 national insurance contributions are paid will increase to £7,228 (£139 a week) in 2011–12.