21 CFR § 1010.13
Special test procedures
June 25, 2020
The Director, Center for Devices and Radiological Health, may, on the basis of a written application by a manufacturer, authorize test programs other than those set forth in the standards under this subchapter for an electronic product if he determines that such products are not susceptible to satisfactory testing by the procedures set forth in the standard and that the alternative test procedures assure compliance with the standard.
[40 FR 32257, July 31, 1975, as amended at 53 FR 11254, Apr. 6, 1988]