MoneyHMRCHM Revenue and Customs has issued a reminder to certain UK workers to check whether they need to complete a tax return11:16, 16 Jun 2026Certain workers across the UK have received a reminder from HM Revenue and Customs (HMRC). If you've made "over £1,000" you may be required to submit a tax return.‌However, this only applies to specific people and depends on the nature of work you've been undertaking. In a message posted to social media platform X, HMRC encouraged people to verify whether they need to complete a tax return.‌Those affected include people who have earned more than £1,000 through a side hustle. It stated: "Unsure if you might need to complete a tax return? You may need to if you're:‌“Newly self-employedA landlordA new partner in a business partnershipEarned more than £1,000 through a side hustle"Check using our free online tool."Content cannot be displayed without consent‌The Government website further clarifies that income tax is "usually" deducted automatically from wages and pensions.However, people and businesses with additional income "must report" it via a Self Assessment tax return. GOV.UK states: "If you need to send a Self Assessment tax return, fill it in after the end of the tax year (5 April) it applies to."You must send a return if HMRC asks you to. You may have to pay interest and a penalty if you do not file and pay on time."‌DeadlinesDeadlines exist for tax returns. You must inform HMRC by October 5 if you need to submit a tax return for the previous year and you have either:Not sent a tax return beforeRegistered previously but did not need to send a tax return for the tax year 2024 to 2025‌Failure to notify HMRC by October 5 could result in a fine. To complete your return, it's vital to maintain records, such as bank statements or receipts, to ensure accuracy.Separate deadlines exist for settling your bill. The key dates for paying your tax bill are typically:January 31 - for any tax you owe for the previous tax year (known as a balancing payment) and your first payment on accountJuly 31 for your second payment on account‌How much will you owe?HMRC will determine what you owe based on your submitted information. The amount of tax you pay will be dictated by your Income Tax band.A different rate applies for Capital Gains Tax should you need to pay it, for instance if you sell shares or a second home.Article continues belowFurther guidance on completing your return is available online here.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌HMRCPensionsTaxSave moneyMake moneySelf EmployedSelf EmploymentEmployment rights