New York Codes, Rules and Regulations
Title 1 - DEPARTMENT OF AGRICULTURE AND MARKETS
Chapter III - Plant Industry
Subchapter A - Inspection and Sale of Seeds (Article 9, Agriculture and Markets Law)
Part 96 - General Seed Certification Standards
Section 96.10 - Establishing the source of seed

In order to establish the source of seed used for the production of foundation, registered or certified seed the grower shall furnish documentary evidence to the certifying agency at the time of making application for field inspection. The documentary evidence shall consist of either a certification tag from a bag of seed planted, a signed affidavit giving the certification number or the seed lot number, or a sales record. This requirement shall apply whether the grower purchases eligible planting stock from another person or uses eligible seed or his own production.