De nationale centralbanker afgør , hvorvidt maksimumgrænsen på 5 % gælder for hvert enkelt kreditinstitut eller for alle kreditinsti ­ tutter på nationalt plan . 2 .
3 . Training by cash handlers of their staff members to ensure that trained staff members are competent to check euro ban ­ knotes for authenticity and fitness shall be supported by the Eurosystem .