Latest News

New Mandatory Online Filing for 12 forms from 11 June

From 11st June 2023 the following forms will become mandatory online filings only: G1(B4), G2(B4), B5, B7, B69, B77, F2, F3, F7, F12, F13 and F14. Forms received by post after this date will be returned for submission online.

Ó 11 Meitheamh 2023 ar aghaidh beidh sé riachtanach comhdúchán ar líne a dhéanamh ar na foirmeacha seo a leanas trí thairseach CORE. G1(B4), G2(B4), B5, B7, B69, B77, F2, F3, F7, F12, F13, & F14


Planned 45 minutes downtime to Core 8.15am Thursday 1 June 2023

Planned 45 minutes downtime to Core 8.15am Thursday 1 June 2023


11th June 2023 F2, F3, F7, F12, F13 and F14 will become mandatory online filings only

11th June 2023 F2, F3, F7, F12, F13 and F14 will become mandatory online filings only


Planned 60 minutes downtime to Core 5.30pm Thursday 25 May 2023

Please be aware that CORE will be unavailable between the hours of 5.30pm to 6.30pm, Thursday 25 May for system maintenance.
Please make sure you save your submissions before this time.
We apologise for the inconvenience caused.


Planned one hour downtime to Core and RBO from 5.30pm Thursday 18 May

CRO and RBO online systems will be unavailable from 17:30 to 18:30, Thursday 18 May 2023.

We would ask that you ensure to save all work that you are carrying out on the online systems before 17:30 Thursday 18 May.

Apologies for the inconvenience caused.


First45679111213Last

Theme picker