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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
If you're a sole trader or landlord, use the online service to sign up for Making Tax Digital for Income Tax.
Fill in this checklist if you’re an employee starting a new job without a P45, so your employer can work out the tax code to use on your first pay.
You can use the SC2 form to ask your employer for Statutory Sick Pay (SSP).
If you manage one or more business taxes online, sign in to your business tax account to view your tax position and manage all your taxes from one place.
Check if you need to use Making Tax Digital for Income Tax to report your self-employment and property income.
Find out about advisory fuel rates for company car users, when you can use them, and how they're calculated.
Use the Check Employment Status for Tax (CEST) tool to find out if you, or a worker on a specific engagement, should be classed as employed or self-employed for tax purposes.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Find out what counts as qualifying income from self-employment and property when using Making Tax Digital for Income Tax.
Find and use tools and calculators that will help you work out your tax.
Find out how to get a certificate of residence as an individual, company or organisation so you do not get taxed twice on foreign income.
Use the PAYE tax calculator to work out how much Income Tax an employee needs to pay, in a pay period that is in the current tax year.
Check if you get an exemption from Making Tax Digital for Income Tax and how it applies.
How to identify and report outsourced labour payroll fraud (sometimes called ‘payslip fraud’) if you’re a worker, employer or agency.
If you're an agent, use the online service to sign up your client for Making Tax Digital for Income Tax.
Find out how to file your accounts and Company Tax Return if you previously used the HMRC online service that closed on 31 March 2026.
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.
How to pay taxes, penalties and enquiry settlements to HMRC if you cannot find instructions in other 'paying HMRC' guides, or if your payment reference starts with X.
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