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.
Phone
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)