N.Y. Comp. Codes R. & Regs. tit. 1, § 103.5 – Seed standards.

(1) The designation of the grade of a specific lot of seed shall be at the discretion of the producer or distributor.
(2) The range in sizes of hybrid corn seed shall be no larger than 26/64 inch or smaller than ¹⁷/₆₄ inch in width.
(3) The range in width of kernels in any given lot of seed shall be no greater than ⁴/₆₄ of an inch.
(4) All lots of seed shall be graded for thickness.
(5) With the submission of each sample of seed for certification, there shall be a statement specifying the screen sizes over and through which the lot of seed represented by the sample was graded for thickness and width.
(6) The maximum off-grade tolerance shall be 10 per cent. No kernels shall be more than ¹/₆₄ of an inch larger than the grade and no more than one per cent shall be more than ¹/₆₄ of an inch smaller than the grade.
(7) Hybrids sold outside the State are exempt from these specific grade standards.

(a) General provisions.


Factor	Certified
Pure seed (minimum)	99.25%
Weed seeds	none
Inert matter (maximum)	0.50%
Other crops, excluding other varieties (maximum)	0.05%
Other distinguishable varieties (maximum)	0.25%
Germination (minimum)	90%

(b) Grade standards.