HM Revenue and Customs (HMRC) has provided answers to the top five questions asked on the Self Assessment helpline:

1. Do I need to fill in a tax return?
   Customers can use the online tool to check if they need to complete a tax return. By answering a few simple questions, they can determine if they are required to submit one.
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2. How do I fill in my online tax return?
   Customers can complete their tax return online using HMRC online services. Additional support is available through HMRC’s YouTube videos, helpsheets, notes, and forms.
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3. How do I check how much tax I owe?
   HMRC calculates the tax owed based on the completed tax return. Customers can easily check and pay any tax owed using the HMRC app or the online service.
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4. Where’s my Self-Assessment tax refund?
   Customers can use the “where’s my reply” tool on GOV.UK to check response times based on how and when the claim for a tax refund was made.
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5. What happens if I can’t pay my tax bill?
   If customers cannot pay the full amount of tax owed, they can set up a payment plan, known as a Time to Pay arrangement. It’s important to note that interest will be payable on any outstanding payments after the deadline.  See more information here.

HMRC is encouraging Self Assessment customers to adopt an ‘online first’ approach when seeking help to complete their tax return. Information and support are available on GOV.UK to assist customers in completing their tax return for the 2022 to 2023 tax year ahead of the deadline on January 31, 2024.

First-time tax return filers can use HMRC’s step-by-step guide for guidance on the process.