1. Isolation. Fields of safflower planted to produce the registered or certified class of seed shall be at least one thousand three hundred twenty feet [402.34 meters] from any other variety or noncertified field of safflower. When certified classes of seed of the same variety are planted in close proximity, no isolation requirement applies, except to maintain field borders.

Factor	Maximum Permitted in Each Class
	Foundation	Registered	Certified
Other varieties *	1:10,000	1:2,000	1:1,000
Inseparable other crops	1:30,000	1:10,000	1:3,000
Prohibited noxious weeds	none	none	none

*Other varieties shall include plants that can be differentiated from the variety being inspected, but shall not include variants characteristic of the variety.

The tolerance for prohibited or objectionable weeds, or both, in the field will be determined by the inspector.

History: Amended effective May 1, 1986; September 1, 2002; January 2, 2006; October 1, 2012; July 1, 2018.

General Authority: NDCC 4.1-52-10

Law Implemented: NDCC 4.1-52-10, 4.1-53-42