# Public Utilities (GPU)

## Title 4. Rate Regulation

### Subtitle 5. Prohibitions

#### Section 4-502

In an action by a public service company to collect a charge, the public service company may not recover any amount if, in the transaction that is the subject of the action, the public service company demanded a rate greater than that lawful under this division when the charge was made.

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Md. Code Ann., Pub. Util. (as displayed at mgaleg.maryland.gov, October 16, 2026)