The Seed Potatoes (England) Regulations 2006

PART III Seed potatoes capable of being marketed as certified seed potatoes

In the course of making a determination for the purposes of Schedule 1, paragraph 1(b), where an authorised officer determines that seed potatoes are capable of being marketed as certified seed potatoes, he shall classify them as seed potatoes of a class known as CC class where he is satisfied on a sample that the requirements specified in column 2 of table 3 in relation to that class have been met and that the tolerances specified in column 3 have not been exceeded in respect of those potatoes.

Table 3

Column 1 Class	Column 2 Requirements	Column 3 Tolerances
CC	The seed potatoes shall be produced— (a) directly from pre-basic seed potatoes, basic seed potatoes or certified seed potatoes; or (b) from a crop grown with the authority of or in circumstances notified in writing as being acceptable to the Secretary of State.	(i) leafroll and severe mosaic – 2.0%; (ii) mild mosaic – 5.0%, providing that the total of leafroll and mild mosaic shall not exceed 5%; (iii) blackleg – 2.0%; (iv) deviations from variety and type and groundkeepers – 0.5%, of which deviation from variety – 0.2%.