# COMAR Title 20 — Public Service Commission

## Subtitle 53 — Competitive Electricity Supply

### Chapter 08 — Supplier-Consolidated Billing Customer Protections

#### Regulation .07 Investigation of Complaints.

*COMAR 20.53.08.07*

A. A supplier shall investigate promptly and thoroughly any complaint concerning its charges or practices.

B. A supplier may not charge or pursue collections activities against a customer for charges under dispute at the Commission.