http://www.legislation.gov.uk/id/uksi/1993/2009

SCHEDULE 4REQUIREMENTS FOR BASIC SEED, CERTIFIED SEED, CERTIFIED SEED OF THE FIRST AND SECOND GENERATIONS AND COMMERCIAL SEED

PART I

CONDITIONS RELATING TO CROPS FROM WHICH SEEDS OTHER THAN COMMERCIAL SEED ARE OBTAINED

Varietal identity and varietal purity

2.

The characteristics for the determination of varietal identity and varietal purity shall be those recognised as those of the variety for the purposes of the National List or the Common Catalogue.