Migrants sent to the UK from a country with which the UK has a reciprocal social security agreement (sometimes referred to as double contribution agreements or aggregation agreements) may not be required to pay a NCI under the conditions set out in the specific agreement. The countries with which the United Kingdom has such agreements are listed above. The bilateral social security agreement with Chile started on 1 June 2015.This guide has been updated to add Chile to the list of non-EEA countries that have concluded an agreement with the United Kingdom. This Convention shall not affect conventions, international conventions or reciprocal agreements to which both parties are or will be contracting parties and which, as regards certain matters, govern the recognition or enforcement of judgments. . . .