# Environment (GEN)

## Title 2. Ambient Air Quality Control

### Subtitle 4. Permits and Registration

#### Section 2-401

Except as provided in Sec. 2-402 of this subtitle, the Department may adopt regulations that require a permit or registration before a person constructs, modifies, operates, or uses a source that may cause or control emissions into the air.

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