CIS tax deduction calculatorThis calculator helps calculate any necessary CIS tax deductions.Labour Charge (£):The cost of all labour charged (net of travel and subsistence and any VAT charged by the sub contractor).Materials Charge (£):The cost of all materials supplied (Include VAT if the sub contractor is not VAT registered). Payment under deduction: YesNoGrossIs the subcontractor verified with HMRC for payment under deduction?CalculateNote: These calculations are only for illustrative purposes and are not a substitute for professional advice.