If you represent a financial institution, you can register at this service in order to be able to submit the relevant information on behalf of the Financial Institution, as provided in the agreement signed between the Republic of Cyprus and the USA (IGA Model 1).
Further information can be found here
1. You will to register at the IRS and get a Global Intermediary Identification Number - GIIN
2. After, you will need to register at Cy Login. New user? Register here
3. Already a registered user? You will also need to authenticate your profile through your electronic banking system (eBanking) or by visiting a Citizen Service Centre (CSC) or a Citizen Center (KE.PO. - District Post Offices)
4. Have you been registered and authenticated? Please enroll in the system of the Tax Department here
Have you completed the above steps?