# COMAR Title 15 — Maryland Department of Agriculture

## Subtitle 18 — State Chemist

### Chapter 03 — Commercial Fertilizer and Soil Conditioner

#### Regulation .04 Proof of Claim.

*COMAR 15.18.03.04*

A. The Department may require a registrant to prove any claim made about any fertilizer or soil conditioner.

B. Any research supporting a claim by a registrant shall be done by a commonly recognized institution or organization approved by the Department.