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Find out about the penalties for enabling a defeated tax avoidance scheme, the time limits, and how to appeal a penalty notice.
Find out how to request a VAT ruling on a complex cross-border transaction by taking part in an EU trial.
Find currency exchange rates for VAT Mini One Stop Shop (VAT MOSS) businesses registered in the UK to complete declarations.
Use this calculator to work out how to redeem the value of your expenditure credits and how much payable credit you can claim.
Find out how much you can claim for super-deduction or special rate first year (SR) allowances and how to claim.
This guidance is to support officers dealing with VAT default surcharge. It supplements the guidance in VAT Notice 700/50 and is specific to officers working default surcharge cases.
Agent authorisation Corporation Tax technical specifications for software developers.
Agent authorisation PAYE technical specifications for software developers.
Agent authorisation Self Assessment technical specifications for software developers.
Get guidance from HMRC if you're a tax agent or an adviser.
Get guidance from HMRC if you’re a tax agent or an adviser.
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Get guidance from HMRC if you're a tax agent or adviser
Get guidance from HMRC if you're a tax agent or an adviser
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