This Order makes provision in relation to the River Esk by- (a) preserving functions of Ministers of the Crown in relation to that River in Scotland but making their exercise subject to the agreement of Scottish Ministers; (b) giving new power to make byelaws for, or in connection with, the conservation, management or exploitation of salmon, trout, eels and freshwater fish in the Upper Esk (as defined in article 1(2)), to the Environment Agency;(c) creating a new offence of unauthorized fishing