I henhold til aftalens artikel 18, stk. 2, første afsnit, kan listen over kompetente myndigheder i bilag I ændres ved notifikation til den anden kontraherende part; for Fyrstendømmet Andorra gælder det den i litra a) i bilaget nævnte myndighed og for Det Europæiske Fællesskab de øvrige myndigheder.
Article 18(2), first subparagraph of the Agreement provides that the list of competent authorities featured in Annex I may be modified by a simple notification of the other Contracting Party by the Principality of Andorra in so far as it concerns the authority referred to in (a) of the said Annex, and by the European Community insofar as it concerns the other authorities.