xmlns:atom="http://www.w3.org/2005/Atom"
As regards the costs of returnable packing material, Member States may take one of the following measures:
exclude them from the taxable amount and take the measures necessary to ensure that this amount is adjusted if the packing material is not returned;
include them in the taxable amount and take the measures necessary to ensure that this amount is adjusted if the packing material is in fact returned.