; and (2) not later than 90 days after the date of the enactment of this section, begin to implement such capability, including the development and testing of such capability. (b) Establishment of the incumbent informing capability (1) In general The incumbent informing capability required by subsection (a) shall include a system to enable sharing, including time-based sharing and coordination, to securely manage harmful interference between non-Federal users and incumbent Federal entities sharing a band of covered spectrum and between Federal entities sharing a band of covered spectrum. (2) Requirements The system required by paragraph (1) shall contain, at a minimum, the following: (A) One or more mechanisms (that shall include interfaces to commerce sharing systems, as appropriate) to allow non-Federal use in covered spectrum, as authorized by the rules of the Commission. (B) One or more mechanisms to facilitate Federal-to-Federal sharing, as authorized by the NTIA. (C) One or more mechanisms to prevent, eliminate, or mitigate harmful interference to and from incumbent Federal entities, including one or more of the following functions: (i) Sensing. (ii) Identification. (iii) Reporting. (iv) Analysis. (v) Resolution. (D) Dynamic coordination area analysis, definition, and control, if appropriate for a band. (3) Compliance with commission rules The incumbent informing capability required by subsection (a) shall ensure that use of covered spectrum is in accordance with the applicable rules of the Commission. (4) Input of information Each incumbent Federal entity sharing a band of covered spectrum shall— (A) input into the system required by paragraph (1) such information as the Assistant Secretary may require, including the frequency, time, and location of the use of the band by such Federal entity