(a)be labelled on the outside with an official label which has not previously been used, which satisfies the conditions laid down in Annex III, part A, and on which the information is given in one of the official languages of the Community. The colour of the label shall be white for basic seed and blue for certified seed. When a label with a string-hole is used, its attachment shall be ensured in all cases with an official seal. If, in cases under point (a) of Article 5, the basic seed does not satisfy the conditions laid down in Annex I in respect of germination, this fact shall be stated on the label. The use of official adhesive labels shall be authorised. In accordance with the procedure referred to in Article 28(2) the indelible printing under official supervision of the prescribed information on the package according to the label's model may be authorised;