(1)Council Directive 91/271/EEC 4 has been substantially amended several times 5 . Since further amendments are to be made, that Directive should be recast in the interests of clarity.
4 Council Directive 91/271/EEC of 21 May 1991 concerning urban wastewater treatment ( OJ L 135, 30.5.1991, p. 40 ). ↩