Sec. 28. (a) The state seed commissioner may by rule define seed labeling and testing terms in common usage such as "pure seed" and "germination". (b) A rule adopted by the state seed commissioner under this section must be based on published sources such as the rules of the Association of Official Seed Analysts. [Pre-2008 Recodification Citation: 15-4-1-3(o).] As added by P.L.2-2008, SEC.6.