47 CFR §18.121
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Non-consumer ultrasonic equipment, and non-consumer magnetic resonance equipment, that is used for medical diagnostic and monitoring applications is subject only to the provisions of §§ 18.105, 18.109 through 18.119, 18.301 and 18.303 of this part.