If. after the end of the transitional period provided in the Convention on the Transitional Provisions, unforeseen difficulties emerging in the light of experience in the application of this Treat), or fundamental economic or technical changes directly affecting the common market in coal and steel, make it necessary to adapt the rules for the High Authority's exercise of its powers, appropriate amendments may be made; they must not, how ever, conflict with the prov isions of Articles 2, 3 and 4 or interlere with the relationship between the powers of the High Authority and those of the other institutions of the Community.
Más rud é, tar éis dheireadh na hidirthréimhse dá bhforáiltear sa Choinbhinsiún ar na Forálacha Idirthréimhseacha, go dtiocfaidh deacrachtaí nach raibh coinne leo chun solais, de bharr taithí, i bhfeidhmiú an Chonartha seo, nó go dtiocfaidh athrú bunúsach i gcúrsai eacnamaíocha agus teicniúla a bhaineann go direach leis an gcómhargadh do ghual agus chruach ionas gur gá oiriúnú ar na rialacha maidir leis an bhfeidhmiú ag an Ard-Údarás ar na cumhachtaí a thugtar dó, féadfar leasuithe iomchuí a dhéanamh, ar an gcuntar nach mbeidh siad ar neamhréir le forálacha Airteagail 2, 3 agus 4 ná leis an gcomhbhaint atá ag cumhachtaí an Ard-Údaráis agus ag cumhachtaí na ninstitiúidí eile faoi seach sa Chomhphobal le chéile.