47 C.F.R. § 18.109 General technical requirements.
Title 47 - Telecommunication
ISM equipment shall be designed and constructed in accordance with good engineering practice with sufficient shielding and filtering to provide adequate suppression of emissions on frequencies outside the frequency bands specified in §18.301.
Title 47: Telecommunication
PART 18—INDUSTRIAL, SCIENTIFIC, AND MEDICAL EQUIPMENT
Subpart A—General Information
§ 18.109 General technical requirements.

