Minn. Stat. § 181.985: WORKPLACE COMMUNICATIONS.

Subdivision 1. Definition.

For the purposes of this section, "communication" means any printed or electronic document, letter, brochure, flyer, advertisement, email, text message, or similar means pertaining to union business or labor organizing as provided under state law.

Subd. 2. Collective bargaining agreements.

Chapter 179A shall not prohibit a collective bargaining agreement from including provisions related to workplace communications.