If in respect of any financial year the total net cost in Northern Ireland under article 1 of this Agreement is less than 2 per cent. of the total net cost in Great Britain and Northern Ireland, there shall be paid from the Exchequer of Northern Ireland to the Consolidated Fund of the United Kingdom a contribution equal to 90 per cent. of the amount by which the said net cost in Northern Ireland is less than the said 2 per cent.

If in respect of any financial year the total net cost in Northern Ireland under article 1 of this Agreement exceeds 2 per cent. of the total net cost in Great Britain and Northern Ireland, there shall be paid to the Exchequer of Northern Ireland out of the Consolidated Fund of the United Kingdom a contribution equal to 90 per cent. of the amount by which the said net cost in Northern Ireland exceeds the said 2 per cent.