Home Modules How to complete your declaration? Useful documents Useful documents We also provide several documents containing helpful information on how to obtain your data. Calculation methods Decision tree reusable packaging Definition of a contract packer (French version) Grey List – Household vs C&I Packaging (French version) Internal packaging Non recyclable packaging (French version) Overview of product groups (French version) Overview of reference weights of C&I packaging (French version) Packaging / non-packaging list (French version) The declaration guide on video The declaration guide on paper