47 C.F.R. § 1.2115
The provisions of this subpart may be used to conduct an incentive auction pursuant to 47 U.S.C. 309(j)(8)(G), including either or both a reverse auction to determine the incentive payment a licensee would be willing to accept in exchange for relinquishing spectrum usage rights and a forward auction to assign flexible use licenses for any spectrum made available as the result of such relinquishments. The Commission shall provide public notice of any procedures necessary for the implementation of an incentive auction that are not otherwise provided for pursuant to the rules of this Subpart. The Commission may do so in one or more such public notices. The Commission's procedures may include, without limitation:
(b) Information required from a licensee.
[84 FR 1630, Feb. 5, 2019]