This Order gives effect in England, Wales and Scotland to the Convention (set out in the Schedule to the Order) made between the Governments of the United Kingdom of Great Britain and Northern Ireland, Belgium, France, Luxembourg and the Netherlands (Cmd. 7911) in so far as the provisions of that Convention provide for reciprocity with Belgium (which has now ratified the Convention) in relation to the National Insurance Acts, 1946 to 1951, and modifies those Acts in their application to cases affected by any such provisions of the Convention.