3.2.4. Stopper materials, films and wrapping materials: Materials used to stopper bottles must be new unless they are made of glass or are as resistant and easy to clean as glass and must be bacteriologically clean.
The same applies to paper, films, fabrics, coatings, linings, plastics, casings, bladders and other similar materials used to wrap, enclose, cover or protect the product and to bags or wrappings made of paper, fabric, or plastic or transparent material.
R.R.Q., 1981, c. P-29, r. 1, s. 3.2.4.