; and (2) comply with the service quality standards for such transmission to be established by the Commission under subsection (c)(1)(B). (b) Required use of registered intermediate providers A covered provider may not use an intermediate provider to transmit covered voice communications unless such intermediate provider is registered under subsection (a)(1). (c) Commission rules (1) In general (A) Registry Not later than 180 days after the date of enactment of this section, the Commission shall promulgate rules to establish a registry to record registrations under subsection (a)(1). (B) Service quality standards Not later than 1 year after the date of enactment of this section, the Commission shall promulgate rules to establish service quality standards for the transmission of covered voice communications by intermediate providers. (2) Requirements In promulgating the rules required by paragraph (1), the Commission shall— (A) ensure the integrity of the transmission of covered voice communications to all customers in the United States