National Capital Acquisitions Tax (CAT) Unit

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

Our public offices are closed until further notice. 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

National CAT Information Unit
Central Revenue Information Office
Cathedral Street
Dublin 1
D01 DC78.

CAT Public Office

If you are unable to use our online services, you can visit us at the address above Monday to Friday between:

  • 10.00 to 12.30
  • 14.30 to 16.00.