Explanatory notes
… 50 to 55, 58 or 60); for the purpose of this provision, no account should be taken of any resulting change of colour; … coating or covering can be seen with the naked eye with no account being taken of any resulting change of colour … to 55, 58 or 60); for the purpose of this provision, no account should be taken of any resulting change of colour; …Legal note
… 50 to 55, 58 or 60); for the purpose of this provision, no account should be taken of any resulting change of colour; … coating or covering can be seen with the naked eye with no account being taken of any resulting change of colour … to 55, 58 or 60); for the purpose of this provision, no account should be taken of any resulting change of colour; …