GUIDELINE “ON THE DEFINITION OF THE RELEVANT MARKET”

GUIDELINE “ON THE DEFINITION OF THE RELEVANT MARKET”


August 26, 2026

GUIDELINE “ON THE ASSESSMENT OF SUBCONTRACTING AGREEMENTS IN RELATION TO ARTICLE 4 OF LAW NO. 9121/2003 ‘ON THE PROTECTION OF COMPETITION’”

GUIDELINE “ON THE ASSESSMENT OF SUBCONTRACTING AGREEMENTS IN RELATION TO ARTICLE 4 OF LAW NO. 9121/2003 ‘ON THE PROTECTION OF COMPETITION’”


GUIDELINE ON IMMUNITY FROM FINES AND REDUCTION OF FINES IN CASES OF PROHIBITED AGREEMENTS

GUIDELINE ON IMMUNITY FROM FINES AND REDUCTION OF FINES IN CASES OF PROHIBITED AGREEMENTS


“ON THE APPROVAL OF THE GUIDELINE ‘ON VERTICAL RESTRAINTS’”

“ON THE APPROVAL OF THE GUIDELINE ‘ON VERTICAL RESTRAINTS’”


December 23, 2025

Instruction “On informal instructions regarding new or unresolved issues in relation to Articles 4 and 9 of Law no. 9121/2003 “On the protection of competition” for individual cases”

“On informal instructions regarding new or unresolved issues in relation to Articles 4 and 9 of Law no. 9121/2003 “On the protection of competition” for individual cases”


March 19, 2024

On the best practices for the disclosure of information in the databases, during the investigation and control procedures of concentrations provided for in Law no. 9121, dated 28.07.2003 “On the protection of competition”

Guidelines “On the best practices for the disclosure of information in the databases, during the investigation and control procedures of concentrations provided for in Law no. 9121, dated 28.07.2003 “On the protection of competition”


The Manual of Procedures for Antitrust, an internal working document of the Competition Authority regarding the procedures for the implementation of law no. 9121/2003 “On the protection of competition”.

The Manual of Procedures for Antitrust, an internal working document of the Competition Authority regarding the procedures for the implementation of law no. 9121/2003 “On the protection of competition”.


On the best practices for submitting evidence of economic character and data collection, in cases related to the implementation of article 4 and 9 of Law No. 9121/2003 “On Protection of Competition”, as amended, and in concentration cases

Guideline “On the best practices for submitting evidence of economic character and data collection, in cases related to the implementation of article 4 and 9 of Law No. 9121/2003 “On Protection of Competition”, as amended, and in concentration cases”


March 12, 2021

On Confidentiality and Access to Files

Guidelines “On Confidentiality and File Access”


May 15, 2020

On damages caused and actions undertaken for infringements of the provisions of Law no. 9121, dated 28.07.2003 “On Competition Protection”, as amended

Guideline No. 3, date 26.06.2019 “On damages caused and actions undertaken for infringements of the provisions of Law no. 9121, dated 28.07.2003 “On Competition Protection”, as amended.”


June 26, 2019
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