Md. Code Ann., Agric. § 6-215
In any prosecution under this subtitle relating to the composition of a lot of commercial fertilizer or soil conditioner, a certified copy of the official analysis signed by the Secretary or the State Chemist is prima facie evidence of the composition.
Added by Acts 1973, 1st Sp. Sess., c. 6, § 1. Amended by Acts 1978, c. 403.
Formerly Art. 66C, § 483.