Article 11U.K.
1.Member States shall require that packages of basic seed and certified seed, except where seed of the latter category takes the form of small EC packages, be sealed officially or under official supervision in such a manner that they cannot be opened without damaging the sealing system or leaving evidence of tampering on either the official label provided for in Article 12 or the package.
In order to ensure sealing, the sealing system shall comprise at least either the official label or the affixing of an official seal.
The measures provided for in the second subparagraph shall not be necessary where a non-reusable sealing system is used.
In accordance with the procedure referred to in Article 28(2), it may be established whether a particular sealing system fulfils the provisions of this paragraph.
2.Member States shall require that, except in the case of small EC packages, packages shall not be resealed on one or more occasions unless this is done officially or under official supervision. If packages are resealed, the fact of resealing, the date of resealing and the authority responsible therefore shall be stated on the label required under Article 12.
3.Member States shall require that small EC packages be sealed in such a manner that they cannot be opened without damaging the sealing system or leaving evidence of tampering on the label or package. In accordance with the procedure referred to in Article 28(2), it may be established whether a particular sealing system complies with the provisions of this paragraph. Packages shall not be resealed on one or more occasions except under official supervision.