National Capital Acquisitions Tax (CAT) Unit

The contact details shown below should be used for queries relating to CAT, including gifts or inheritances.

The quickest and easiest way to manage your tax is by using our online services via ROS or myAccount.


01 738 3673

Call charges may vary depending on your telephone provider's service contract.

Telephone opening hours: 09.30 to 13.30 (Monday to Friday).

Postal address

Revenue Commissioners
Capital Acquisitions Tax Unit
9/15 Upper O’Connell Street
Dublin 1
D01 YT32.

Revenue Appointments Service

If you are unable to use our online services, you can request either a virtual or in-person appointment by contacting us on our Appointments phone service at 01 7383660. 

Telephone opening hours: 09.30 to 13.30 (Monday to Friday)