This Order designates Directive 2015/215/EU of the European Parliament and of the Council on the limitation of certain pollutants into the air from Medium Combustion Plants ( the Directive ) as a relevant directive for the purposes of paragraph 20 of Schedule 1 to the Pollution Prevention and Control Act 1999. This enhances the carrying into effect of the Directive in Scotland. Schedule 1 to the Act specifies particular purposes for which provision regulating polluting activities may be made by way of regulations under section 2 of the Act. Paragraph 20(1)(b) enables the making of provision which corresponds or is similar to any provision made, or capable of being made, under section 2(2) of the European Communities Act 1972 (c.68) in connection with one of the relevant Directives .