Mich. Admin. Code R. 285.623.403
Rule 403. A person who desires to have his or her seed qualify as Michigan sod quality seed shall request, in writing, that the official seed-certifying agency obtain seed samples for this purpose. If the sampling and analysis is apart from, and in addition to, the sampling and analysis that is performed by the official seed-certifying agency in its other certification activities, the person who requests the sampling and analysis shall pay, to the certifying agency, any fees as authorized by section 3 of Act No. 221 of the Public Acts of 1959, as amended, being S286.71 et seq. of the Michigan Compiled Laws. The analysis of seed samples shall be performed by authorized personnel of the official seed-certifying agency in accordance with the standards prescribed in R 285.623.404. If the sample that is subject to analysis for Michigan sod quality seed qualification is from a regularly certified seed lot, only part of which is to be qualified as Michigan sod quality seed, then a separate sample shall be required from that part of the lot to be so qualified.
Mich. Admin. Code R. 285.623.403