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How to complete supplementary pages CT600A and what information you need to include.
Tax treaties and related documents between the UK and Sweden.
Find out how to work out your Research and Development (R&D) tax relief for your Corporation Tax Company Tax Return.
This factsheet tells you when HMRC can suspend a penalty for careless inaccuracies in returns or documents and what to do if we suspend a penalty.
Find guidance on how to create iXBRL accounts and computations if you are a Corporation Tax software developer.
Find out if your State Pension will be affected by the delay to National Insurance replacement credits for parents and carers, and how to tell HMRC.
Find out your VAT obligations if you use an online marketplace to sell goods in the UK.
Find information to help you fill in the Employment pages of your Self Assessment tax return.
Use the Notification of Vehicle Arrivals (NOVA) online service to tell HMRC that you're importing multiple vehicles.
How to tell HMRC about an option to tax on land and buildings as part of cancelling your VAT registration.
Find out about tax and fuel benefit for company cars and vans.
Find out if you’ve made a profit on approved mileage allowance payments claimed as a volunteer driver and need to pay tax.
Use this service to ask the HMRC Mid-sized Business Customer Compliance Resolution Team (CCRT) or a temporary Customer Compliance Manager (tCCM) for help if you're a mid-sized business.
Find out about a tax avoidance scheme used by landlords to reduce their tax liability.
Find guidance about the reports that intermediaries need to send to HMRC where they do not operate Pay As You Earn.
Tax treaties and related documents between the UK and the Isle of Man.
When and how to submit or change your Annual Tax on Enveloped Dwellings (ATED) return.
Find out if you can deduct some of the costs of running your company to work out its taxable profit.
Find out the software requirements for reporting Lifetime ISA payments, transfers and withdrawals to HMRC.
Apply for verification before you start production of any spirit drinks protected under a UK geographical indication scheme.
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