1 . APPLICATION FOR A DECLARATION OF NULLITY - NATURAL OR LEGAL PERSONS - MEASURES OF DIRECT AND INDIVIDUAL CONCERN TO THEM - GROUP OF COMPANIES - COMMISSION DECISION ADDRESSED TO ONE COMPANY OF THE GROUP AND OF DIRECT AND INDIVIDUAL CONCERN TO ONE OF THE OTHER COMPANIES ( EEC TREATY , ART . 173 , SECOND PARA .) 2.COMPETITION - ADMINISTRATIVE PROCEDURE - BRINGING INFRINGEMENTS TO AN END - COMMISSION ' S POWER TO MAKE DECISIONS - ADOPTION OF INTERIM MEASURES - CONDITIONS ( REGULATION NO 17 OF THE COUNCIL , ART . 3 )