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Find software suppliers for tax returns, supplementary pages and attachments.
Tell HMRC if you've left or intend to leave the UK and find out how to get relief or a repayment on UK Income Tax (P85).
If you're a sole trader or landlord, use the online service to sign up for Making Tax Digital for Income Tax.
Use this calculator to work out employee National Insurance contributions for the current tax year, if you're an employee, employer, or a software developer.
Check this list of professional bodies to see if you can claim tax relief on your fees or subscriptions.
Find out how tax on dividend income and interest from savings is worked out by HMRC.
How to claim a refund in the current tax year on an overpayment of tax when you've flexibly accessed part of your pension pot.
If you account for your import VAT on your VAT Return, you’ll have to access the Customs Declaration Service to get a postponed import VAT statement online.
Use form CA5403 to request a copy of your National Insurance number by post.
How to claim back tax that HMRC owes you on a small pension lump sum that you've received in the current tax year (P53).
Apply for a refund of the higher rates of Stamp Duty Land Tax (SDLT16) for additional properties if you sell what was previously your main home.
If you’re eligible, you can claim Income Tax relief on your job expenses by post using form P87.
Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
Find out the scale rate expenses for accommodation and subsistence paid to employees who travel outside of the UK.
Check a list of recent phone contacts from HMRC to help you decide if a phone call you've received is a scam.
What you need to do if you've submitted a declaration using the Customs Declaration Service and need to send supporting documents or respond to HMRC queries.
Off-payroll working rules for clients, workers (contractors) and their intermediaries.
How to sign in and update your account details and nominate a delegate.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Apply online for a PDU1 certificate for unemployment benefit if you live or will be living abroad, or for a paper statement of your National Insurance contributions.
Don’t include personal or financial information like your National Insurance number or credit card details.
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