the contracting entities shall est
ablish the required advanced signature format on the basis of formats established in Commission Decision 2011/130/EU (40) and shall put in place necessary mea
sures to be able to process those formats technically; in case a different format of electronic signature is used, the electronic signatur
e or the electronic document carrier shall include information on existing validation possibilities, whi
...[+++]ch shall be under the responsibility of the Member State.