The most important references are:
- The Directive on packaging and packaging waste (94/62/EF)
- Directive amending Directive on packaging and packaging waste (2004/12/EF)
- National legislation
- CEN standards:
- EN13427
- EN13428
- EN13429
- EN13430
- EN13431
- EN13432
- CR 13695-1
- CR 13695-2

