the application of the calculation rules set out in Article 11a and the development of measures and systems to trace municipal waste streams from sorting to recycling;
cur i bhfeidhm na rialacha ríomha a leagtar amach in Airteagal 11a agus forbairt na mbeart agus na gcóras chun sruthanna dramhaíola cathrach a rianú ó shórtáil go hathchúrsáil;