Minn. Stat. § 237.56: ADEQUATE SERVICE ENFORCEMENT.

The services required to be provided under sections 237.50 to 237.55 may be enforced under section 237.081 upon a complaint of at least two persons within the service area of any one telecommunications service provider, provided that if only one person within the service area of a company is receiving service under sections 237.50 to 237.55, the Public Utilities Commission may proceed upon a complaint from that person.