Revenue letter - possible identity theft

Did you by any chance click any Facebook adds for tax back companies? That's pretty much the first thing they do when you fill in any details online.

Sounds like you signed up to a tax agency service. Irish Tax Rebates are a legitimate tax refund agency. They have plenty of adds on Facebook, twitter etc.

Still no harm to double-check with Revenue when they became your agent and what they may have done. You can also remove them as your agent.

It is quite relevant as someone has access to your revenue record & is free to make any changes on your behalf, I'd not be ignoring that if I were you.

Getting a revenue letter that seems off is worrying, especially if you're not expecting it. First, I’d suggest carefully checking the letter for any red flags like strange details, wrong addresses, or any unfamiliar names. If something feels off, it could be worth contacting the agency directly to confirm if it's legit. Sometimes, these things happen by mistake, but it’s better to be safe than sorry. If you're still concerned about identity theft, you might want to run your details through an identity monitoring service like www.idanalyzer.com to catch anything unusual early. They can help you spot any suspicious activity on your records.