If there is a change in circumstances having a substantial effect on a question subject to such a decision, the Council shall review the principles and objectives of that decision and take the necessary decisions.
Má tharlaíonn athrú sna himthosca a bhfuil éifeacht shuntasach aige ar cheist atá ina ábhar do chinneadh, déanfaidh an Chomhairle prionsabail agus cuspóirí an chinnidh sin a athbhreithniú agus glacfaidh sí na cinntí is gá.