The commission has, in a preliminary finding, ruled II breached competition rules.
The European Commissions preliminary judgement that Insurance Ireland broke competition rules is being described as "highly significant".
The commission has found that a breach of competition rules by restriction of competition in the motor insurance market
The finding could lead to multi-million euro fines.
Independent.ie reports that the judgement "comes after a two-year long investigation after claims were made about cartel-like activities by Irish insurers were keeping competition out of the market."
Sinn Fein's Finanance Spokesperson, Pearse Doherty, has been speaking to Kildare Today.
He says the issue centres on use of and access to a database.
Deputy Doherty joined Clem Ryan on Monday's edition of the programme, where they also discussed Garda statements that drinking alcohol in temporary outdoor seating areas isn't allowed if restaurants and pubs don't have a licence and the expected appointment of a new DUP leader.

Kfm Obituary Notices (Sunday)
Forensic Tests Planned After Axle Discovery In Dullard And Jacobs Probe
Analysis: Damning Reports Detail Rot, Fire Risks And Rodents At "Temporary" Celbridge Primary School
Major Curragh Community College Project Moves Ahead After Years Of False Starts
Plans For Walking Trail Within Castletown House Lands Under Consideration Subject To Removal Of Laurel
Council Blames Stolen Cars As It Refuses Warning Signs At Crash-Prone Bridge In Celbridge
Naas No-Shows Add To Driving Test Pressure As Kildare Test Queue Hits 1,975