evidence: After the Treaty was signed the English retained the six counties of Northern Ireland and both Lough Foyle and Lough Carlingford. [...] In 1997 the Good Friday Agreement changed the role of administration of Lough Foyle from the Foyle Fisheries to the Loughs Agency. It also introduced new legislation called Foyle And Carlingford Fisheries Act 2007 as an upgrade on the 1952 Foyle Fisheries act.