Until the expiry of the transitional period during which the use of the imperial units of measurement appearing in Annex II to Council Directive No 71/354/EEC (1) of 18 October 1971 on the approximation of the laws of the Member States relating to units of measurement, as last amended by the Act of Accession, is authorized in the Community, the indication of the nominal volume of the contents expressed in SI units of measurement in accordance with subsection 3.1 of Annex I to this Directive shall, if the United Kingdom or Ireland so desire and on their national territories, be accompanied by an indication of the nominal volume of the contents expressed in the equivalent imperial units of measurement, if they are given in Annex I to this Directive.
Do preteka prehodnega obdobja, ko je v Skupnosti še dovoljena uporaba imperialnih merskih enot, ki so navedene v Prilogi II k Direktivi Sveta št. 71/354/EEC z dne 18. oktobra 1971 o približevanju zakonodaje držav članic o merskih enotah, kakor je bila nazadnje spremenjena z Aktom o pristopu, mora biti nazivna prostornina vsebine izražena v merskih enotah SI v skladu s pododdelkom 3.1 Priloge I k tej direktivi, če Velika Britanija ali Irska tako želita, pa na njunem državnem ozemlju dodatno označena tudi nazivna prostornina vsebine, izražena v ekvivalentnih imperialnih enotah, če so le-te navedene v Prilogi I k tej direktivi.