N.Y. Comp. Codes R. & Regs. tit. 1, § 111.10 – Samples and sampling of seed.

(a) A representative sample of seed shall be taken from each lot that is to be offered for sale by a representative of the certifying agency.
(b) The sample shall be taken after the seed has been cleaned and is in condition for sale. Such sample shall not be considered representative for seed which is recleaned later.
(c) Samples shall be taken in accordance with the procedures as outlined by the Association of Official Seed Analysts.
(d) Size of sample.
The size of sample submitted shall be in accordance with the standards set for each species.
(e) Submitting sample for moisture test.
The sample to be tested must be submitted to the laboratory in air-tight, moisture proof containers so as to be representative for the lot at the time of sampling.