The practices and processes referred to in Article 15 (1) may be applied only for the purpose of ensuring proper vinification or proper preservation of the products concerned; in particular, blending and coupage shall be prohibited: -of
table wines with each other, or -of wines suitable for producing table wines with each other or with table wines, or -of quality wines psr with each other, or -of imported wines with each other, if any one of the ingredients does not comply
with the requirements of this Regulation or with those adopted pursuant to this Regulation.