Tax Codes

What is the 64-8 Form? An Expert Guide for 2025

What is the 64-8 Form? An Expert Guide for 2025

The 64-8 form—formally known as “Authorising your agent” or the Agent Authorisation—is a legal document that empowers an appointed representative (such as an accountant, solicitor, or professional tax adviser) to interact with HM Revenue & Customs (HMRC) on your behalf regarding your tax affairs. Summary “The 64-8 form allows a taxpayer to authorise an agent

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What is M1 Tax Code? Let’s Decode the UK’s Tax Puzzle

What is M1 Tax Code? Let’s Decode the UK’s Tax Puzzle

If you’ve just started a new job and noticed “M1” on your payslip, you’re likely wondering what this mysterious M1 tax code means. Don’t worry—you’re not alone. The M1 tax code is a common emergency tax designation used by HM Revenue & Customs (HMRC) in specific scenarios, particularly when there’s a lack of complete tax

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