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HMRC Self Assessment – Latest

HMRC Self Assessment

HMRC Self Assessment: Her Majesty’s Revenue and Customs (HMRC) in the United Kingdom requires individuals to file a self-assessment tax return if they have income or capital gains that are not taxed at source. Here’s an overview of the HMRC self-assessment process:

Who Needs to File:

  • You need to file a self-assessment tax return if you are self-employed, a business owner, a company director, have untaxed income, or if your income is over a certain threshold.
  • Other reasons may include receiving income from overseas, receiving rental income, or having taxable benefits.

Registering for Self-Assessment:

  • If you are new to self-assessment, you need to register with HMRC. You can do this online on the HMRC website.

Getting a Unique Taxpayer Reference (UTR):

  • Once registered, you’ll receive a Unique Taxpayer Reference (UTR). This is a 10-digit number that is unique to you and is used for all your tax affairs.

Keeping Records:

  • It’s essential to keep accurate records of your income, expenses, and any other relevant information. This will help you fill out your tax return accurately.

Filling Out the Tax Return:

The self-assessment tax return is typically completed online. You’ll need to log in to the HMRC online portal and provide details about your income, deductions, and other relevant information.

The deadline for filing your tax return is usually January 31st. Following the end of the tax year (which runs from April 6th to April 5th).

Calculating the Tax:

  • HMRC will calculate the tax you owe based on the information you provide. The tax is then payable by January 31st.


  • You can pay your tax online, by bank transfer. Or by using other payment methods. Late payments may result in penalties and interest charges.

Penalties for Late Filing:

  • Failing to file your tax return by the deadline can result in penalties. It’s important to submit your return on time, even if you can’t pay the full amount immediately.

Getting Help:

  • If you’re unsure about any aspect of the self-assessment process, it’s advisable to seek professional advice from an accountant or tax adviser.

Final Words

Always check the latest guidelines and deadlines on the HMRC website, as they may change. The information provided here is a general overview as of my last knowledge update in January 2022.

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