Actions for annulment - Natural or legal persons - Measures of direct and individual concern to them - Regulation providing for a system of penalties in the event of failure to conform with the Community rules within the framework of the system of aid for the consumption of olive oil - Action by an association of approved undertakings recognized as a trade organization for the purpose of administering the aid - Inadmissibility (EC Treaty, Arts 173, fourth para., and 189; Council Regulation No 887/96, Art. 1)