Minn. Stat. § 609.223: ASSAULT IN THE THIRD DEGREE.

Subdivision 1. Substantial bodily harm.

Whoever assaults another and inflicts substantial bodily harm may be sentenced to imprisonment for not more than five years or to payment of a fine of not more than $10,000, or both.

Subd. 2. Past pattern of child abuse.

Whoever assaults a minor may be sentenced to imprisonment for not more than five years or to payment of a fine of not more than $10,000, or both, if the perpetrator has engaged in a past pattern of child abuse against the minor. As used in this subdivision, "child abuse" has the meaning given it in section 609.185, paragraph (a), clause (5).

Subd. 3. Felony; victim under four.

Whoever assaults a victim under the age of four, and causes bodily harm to the child's head, eyes, or neck, or otherwise causes multiple bruises to the body, is guilty of a felony and may be sentenced to imprisonment for not more than five years or to payment of a fine of not more than $10,000, or both.