The High Contracting Parties undertake to make all efforts in orderto make action among all Member States possible in the domains of the Schengen acquis, in particular whenever Ireland and the United Kingdom of Great Britain and Northern Ireland have acceptedsome or all of the provisions of that acquis in accordance with Article 4 of the Protocol integrating the Schengen acquisinto theframework of the European Union.
Gabhann na hArdpháirtithe Conarthacha orthu féin gach iarracht adhéanamh chun go mbeidh gníomhaíocht indéanta idir na Ballstáituile i réimsí acquis Schengen, go háirithe nuair a bheidh Éire agus Ríocht Aontaithe na Breataine Móire agus Thuaisceart Éireann taréis glacadh, i gcomhréir le hAirteagal 4 den Phrótacal ag lánpháirtiú acquis Schengen i gcreat an Aontais Eorpaigh, le forálachauile an acquis sin nó le roinnt díobh.