15 C.F.R. § 400.12
(d) Applicants for subzones (except pursuant to § 400.24(c))—(1) Eligibility. The following entities are eligible to apply to establish a subzone:
(2) Notification of closest grantee. If an application is submitted under paragraph (d)(1)(ii) or (iii) of this section, the Executive Secretary shall:
(ii) Review such objections prior to docketing the application to determine whether the proposed sponsorship is in the public interest, taking into account: