Minn. Stat. § 152.097
Subd. 1. Prohibition.
It is unlawful for any person knowingly to manufacture, sell, transfer or deliver or attempt to sell, transfer or deliver a noncontrolled substance upon:
(3) under circumstances which would lead a reasonable person to believe that the substance was a controlled substance. Any of the following factors shall constitute relevant evidence:
Subd. 2. No defense.
In any prosecution under this section, it is no defense that the accused believed the noncontrolled substance to actually be a controlled substance.
Subd. 3. Exemption.
This section does not apply to the prescribing and dispensing of placebos by licensed practitioners and licensed pharmacists.
Subd. 4. Penalty.
A person who violates this section may be sentenced to imprisonment for not more than three years or to payment of a fine of not more than $20,000, or both. Sentencing for a conviction for attempting to sell, transfer, or deliver a noncontrolled substance in violation of this section is governed by section 609.17, subdivision 4.