In section 10 of the European Union (Withdrawal) Act 2018 (continuation of North-South co-operation and the prevention of new border arrangements), after subsection (2), insert -

"(3) A Minister of the Crown may not agree to the making of a recommendation by the Joint Committee under Article 11(2) of the Protocol on Ireland/Northern Ireland in the withdrawal agreement (recommendations as to North-South cooperation) to -

(a) alter the arrangements for North-South co-operation as provided for by the Belfast Agreement,

(b) establish a new implementation body, or

(c) alter the functions of an existing implementation body.

(4) In this section -

"the Belfast Agreement" has the meaning given by section 98 of the Northern Ireland Act 1998;

"implementation body" has the meaning given by section 55(3) of that Act."