47 C.F.R. § 14.5
(a) Waiver.
(1) On its own motion or in response to a petition by a provider of advanced communications services, a manufacturer of equipment used for advanced communications services, or by any interested party, the Commission may waive the requirements of this part for any feature or function of equipment used to provide or access advanced communications services, or for any class of such equipment, for any provider of advanced communications services, or for any class of such services, that—
(2) For any waiver petition under this section, the Commission will examine on a case-by-case basis—
(c) Duration.