1.All prepackages referred to in Article 3 must, in accordance with Annex I, bear an indication of the weight or volume of the product, known as ‘nominal weight’ or ‘nominal volume’, which they are required to contain.
2.Prepackages containing liquid products shall be marked with their nominal volume and prepackages containing other products shall be marked with their nominal weight, except in the case of trade practice or national regulations which provide otherwise and which are identical in all Member States, or in the case of contrary Community rules.
3.If trade practice or national regulations are not the same in all Member States for a category of products or for a type of prepackage, those prepackages must at least show the metrological information corresponding to the trade practice or national regulations prevailing in the country of destination.
4.Until the expiry of the transitional period during which the use of the imperial units of measurement appearing in Annex II to Council Directive 71/354/EEC of 18 October 1971 on the approximation of the laws of the Member States relating to units of measurement(1), as amended by the Act of Accession, is authorized in the Community, the indication of the nominal weight and/or nominal volume of the contents expressed in SI units of measurement in accordance with section 3.1 of Annex I to this Directive shall, if the United Kingdom or Ireland so desires, be accompanied on their national territories by an indication of the equivalent value in imperial units of measurement (UK), calculated on the basis of the following conversion factors:
=
0.0353 ounces (avoirdupois),
=
2.205 pounds
=
0.0352 fluid ounces,
=
1.760 pints or 0.220 gallons.