eCustoms Technical Support, Systems and Accounting

The contact details shown below should be used for queries relating to:

  • AIS technical queries (import declarations)
  • AES (new export declarations)
  • Economic Operators Registration and Identification System (EORI)
  • Transit System (NCTS)
  • Import Control System (ICS)
  • eCustoms accounts
    (C&E, VRT or Excise Cash and Deferred payments, clearance agent authorisations, C&E & VRT Guarantees and Direct Debits)
  • Customs Decisions System (CDS)
    (CDS in relation to deferred payment applications for customs).

Contact through email is advisable – details below.



Please use the secure 'MyEnquiries' service available through myAccount or ROS:

  • sign into MyEnquiries
  • select 'Add new Enquiry'
  • in the 'My Enquiry relates to' section, enter 'Customs':
    in the 'More Specifically' section, 
    • enter 'eCustoms - Systems Query' for enquiries relating to AIS, AES, EORI, NCTS, ICS and CD
    • or
    • enter 'eCustoms Accounts', for enquiries relating to Cash Accounts and Deferred Payments.

Alternatively use or Please note that Revenue cannot guarantee the security of personal and sensitive data sent in plain text via standard email.


01 738 3677

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

Telephone opening hours: 09.00 to 14.00 (Monday to Friday).

Postal address

eCustoms Helpdesk and eCustoms Accounts
Customs Division
Office of the Revenue Commissioners
Government Offices
St Conlon’s Road
Co. Tipperary
E45 T611.