The same rule shall apply to the ASs that have not been designated under Directive 98/26 / EC , in which case the ASs shall be identified by reference to the following criteria : ( a ) a formal arrangement , based on a contractual or legislative instrument ( e.g. an agreement among the participants and the system operator ) ;
The same rule shall apply to the ASs that have not been designated under Directive 98/26 / EC , in which case the ASs shall be identified by reference to the following criteria : ( a ) a formal arrangement , based on a contractual or legislative instrument ( e.g. an agreement among the participants and the system operator ) ;