| CSO | Central Statistics Office |
|---|---|
| MOU | Memorandum of Understanding |
| JLG | Joint Liaison Group |
| NDI | National Data Infrastructure |
| RMF | Research Microdata File |
| Act | The Statistics Act, 1993 as may be amended from time to time. |
|---|---|
| Breach | Personal data breach’, as defined by Article 4(12) of the General Data Protection Regulation (GDPR). |
| Controller | Has the meaning assigned by Article 4(7) of the GDPR. |
| Data | Information transferred to the CSO. |
| Data Provider | Revenue, they transfer personal data to the CSO. |
| Data Recipient | Has the meaning assigned by Article 4(1) of the GDPR. |
| Personal Data | Information transferred to the CSO. |
| Processing | Has the meaning assigned by Article 4(2) of the GDPR. |
| Parties | The CSO and Revenue. |
| Purpose | The collection, compilation, extraction, and dissemination for statistical purposes of information concerning tax and customs administration. |
| Revenue | Revenue Commissioners. |
| Section 851(A) | Section 851(A) of the Taxes Consolidation Tax 1997. |
This document constitutes an agreement between Revenue and the Central Statistics Office (CSO). The agreement is to transfer specified Revenue data to the CSO in accordance with the law and in a manner which satisfies Revenue information security and data protection standards. The requirement to share data arises from legislation referenced in the following section.
Transfer and processing of the data shall be done in accordance with the Act, the Data Protection Act 2018, the GDPR, EU law and in accordance with the CSO’s Code of Practice, in particular its protocol on data matching where one or more datasets originate from outside of the CSO.
The transfer and processing of the data is covered by, inter alia, the following provisions:
The details of the transfer (as well as the personal data covered) are specified in Annex A which forms an integral part of this Agreement.
The CSO warrants and undertakes that:
The details of the transfer and of the personal data are specified in Annex A.
The Parties may modify this Agreement if required, provided they update the information in Annex A where required.
The Parties agree that ownership of the data is transferred from the data provider to the data recipient when the data is successfully delivered under the Revenue File Transfer System and the associated notification email is acknowledged by the data recipient. The data recipient is then considered to be the data controller of the information.
This Agreement will remain in force until a new one is entered into or until it is revoked.
This DEA will remain in force until a new one is entered into or until it is revoked. Depending on events, this DEA may be amended, subject to the mutual agreement of the Parties.
This DEA will be reviewed biennially by the Parties. Any changes to the DEA shall only be made with the mutual agreement of the Parties.
| Revenue Authorisation | CSO Authorisation |
|---|---|
| Name: Emily Swift | Name: Francesca Kay |
| Title & Grade: Assistant Secretary | Title & Grade: Assistant Director General |
| Signature: Emily Swift | Signature: Francesca Kay |
| Date: 29/04/2026 | Date: 29/04/2026 |
Purposes of the transfer(s): The transfer is made for the purpose of the CSO’s collection, compilation, extraction, and dissemination for statistical purposes of information concerning tax and customs administration.
Categories of personal data transferred from Revenue (data provider): The categories of transferred personal data comprise:
Description of the personal data: The personal data transferred comprises:
Special categories of personal data: The special categories of personal data transferred comprise:
Data concerning racial or ethnic origin
Data concerning health:
Data concerning sex life or sexual orientation:
Frequency and method of transfer of the personal data: Transfers will be carried out as follows. The Revenue File Transfer System (RFTS) is a secure Revenue server and software system under the control of the Revenue Data Centre and is used by the Data Centre to facilitate the transfer of data to multiple external agencies.
| No. | File Name | Transmission Frequency | Exchange Method | Personal Data |
|---|---|---|---|---|
| 1 |
Charitable Status File |
Yearly |
RFTS |
Yes |
| 2 |
Consolidated (ITForm11 / P35L) Income File |
Yearly |
RFTS |
Yes |
| 3 |
Corporation Tax - Companies Registration Office Linking File |
Half-yearly |
RFTS |
Yes |
| 4 |
Corporation Tax Data |
Yearly |
RFTS |
Yes |
| 5 |
Corporation Tax Data Preliminary Cut |
Yearly |
RFTS |
Yes |
| 6 |
Corporation Tax Historical Tax Year (April to April) Returns Data |
Yearly |
RFTS |
Yes |
| 7 |
Dividend Withholding Tax File |
Quarterly |
Password Protected Email |
Yes |
| 8 |
Foreign Registered Traders Indicator Data |
Yearly |
RFTS |
Yes |
| 9 |
Help To Buy Scheme Data |
Quarterly |
RFTS |
Yes |
| 10 |
Income Tax and Corporation Tax Cancelled Registrations Data |
Quarterly |
RFTS |
Yes |
| 11 |
Income Tax and Corporation Tax Registrations Data |
Quarterly |
RFTS |
Yes |
| 12 |
Income Tax Form 1 Data |
Yearly |
RFTS |
Yes |
| 13 |
Income Tax Form 1 Data Preliminary Cut |
Yearly |
RFTS |
Yes |
| 14 |
Income Tax Form 11 Data |
Yearly |
RFTS |
Yes |
| 15 |
Income Tax Form 11 Data Preliminary Cut |
Yearly |
RFTS |
Yes |
| 16 |
IT File Extract (BES) |
Yearly |
RFTS |
Yes |
| 17 |
Local Property Tax Data |
Yearly |
RFTS |
Yes |
| 18 |
Mineral Oil Tax Returns |
Monthly |
RFTS |
Yes |
| 19 |
Pay As You Earn Modernisation (PMOD) File |
Monthly |
RFTS |
Yes |
| 20 |
PPSN Names and Addresses File with GEOcodes |
Quarterly |
RFTS |
Yes |
| 21 |
PREM Employer Numbers Employed Data |
Quarterly |
RFTS |
Yes |
| 22 |
PREM Registrations Data |
Quarterly |
RFTS |
Yes |
| 23 |
Pub and Restaurant Licenses |
Half-yearly |
RFTS |
Yes |
| 24 |
Relevant Contracts Tax |
Annual |
RFTS |
Yes |
| 25 |
Return of Oil Movements File |
Monthly |
RFTS |
Yes |
| 26 |
Revenue Employment Extract for Arrivals from Ukraine |
Weekly |
RFTS |
Yes |
| 27 |
Special Purpose Vehicles File |
Quarterly |
Password Protected Email |
Yes |
| 28 |
Stamp Duty on Property Transactions Data |
Monthly |
RFTS |
Yes |
| 29 |
Tax Computations |
Annual |
RFTS |
Yes |
| 30 |
Value Added Tax (VAT) Information and Exchange System Acquisitions Data |
Monthly |
RFTS |
Yes |
| 31 |
VAT Information and Exchange System Dispatches Data |
Monthly |
RFTS |
Yes |
| 32 |
VAT Registrations Data |
Quarterly |
RFTS |
Yes |
| 33 |
VAT Trader Returns (VAT3 and Return of Trading Details) Data |
Monthly |
RFTS |
Yes |
| 34 |
Vehicle Registration File |
Monthly |
RFTS |
Yes |