Articles 2 and 3 of the Republic 's constitution , which claimed sovereignty over all of Ireland , were reworded , and a power-sharing Executive Committee was provided for .
A British-Irish Council and the Northern Ireland Assembly were set up Articles 2 and 3 of the Republic 's constitution , `` Bunreacht na hÉireann '' , which claimed sovereignty over all of Ireland , were reworded , and a power-sharing Executive Committee was provided for .