The 64-8 form authorises HMRC to discuss your tax affairs with someone acting on your behalf.

Why do I need a 64-8 form?

Running a business can be time consuming even without HMRC and other legal requirements. It’s why many people find it easier to outsource to an accountant to deal with HMRC on their behalf.

Data protection and GDPR laws mean that HMRC can’t discuss your affairs with someone else without your permission.

Will I still be responsible for everything?

Even if you authorise your accountant to talk to HMRC on your behalf, your accounts and finances are still your responsibility.

Who can use a 64-8 form?

You can use form 64-8 to authorise HMRC to deal with agent acting on behalf if you’re an individual, trust or partnership. They will be able to deal with Pay As You Earn (PAYE), Construction Industry Scheme (CIS) and Corporation Tax on your behalf. The 64-8 form has boxes to tick for each category to indicate which of your tax affairs can be dealt with by your agent or accountant.
 

What about in a partnership?

Each partner is partnership must complete their own 64-8 to authorise their agent or accountant. The main partnership itself will also need to provide it’s own 64-8.

What if I have more than one agent acting on my behalf?

You’ll also need to complete separate 64-8 forms for each agent who represents you, if there are more than one. The services that each agent deals with must be made clear on the form.

 
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