Section 27.601 - Authority and coordination requirements(a) Subject to the provisions of § 27.2(b) , a Guard Band licensee may allow a spectrum lessee, pursuant to a spectrum lease arrangement under part 1, subpart X of this chapter, to construct and operate stations at any available site within the licensed area and on any channel for which the Guard Band licensee is licensed, provided such stations comply with Commission Rules and coordination requirements.(b) Subject to the provisions of § 27.2(b) , a Guard Band licensee may allow a spectrum lessee, pursuant to a spectrum lease arrangement under part 1, subpart X of this chapter, to delete, move or change the operating parameters of any of the user's stations that are covered under the Guard Band licensee's authorization without prior Commission approval, provided such stations comply with Commission Rules and coordination requirements.(c)Frequency coordination.(1) A Guard Band licensee, or a spectrum lessee operating at 775-776 MHz and 805-806 MHz pursuant to a spectrum lease arrangement under §§ 1.9030 and 1.9035 of this chapter, must notify Commission-recognized public safety frequency coordinators for the 700 MHz Public Safety band and adjacent-area Guard Band licensees within one business day after the licensee or the spectrum lessee has: (i) Coordinated a new station or modification of an existing station; or(ii) Filed an application for an individual station license with the Commission.(2) The notification required in paragraph (c)(1) of this section must include, at a minimum-(i) The frequency or frequencies coordinated;(ii) Antenna location and height;(iv) Effective radiated power;(v) A description of the service area, date of coordination, and user name or, in the alternative, a description of the type of operation.(3) In the event a licensee partitions its service area or disaggregates its spectrum, it is required to submit the notification required in paragraph (c)(1) of this section to other Guard Band licensees in the same geographic area.(4) Entities coordinated by a Guard Band licensee, or a spectrum lessee operating pursuant to a spectrum lease arrangement under §§ 1.9030 and 1.9035 of this chapter, must wait at least 10 business days after the notification required in paragraph (c)(1) of this section before operating under the license.(d) Where a deletion, move or change authorized under paragraph (b) of this section constitutes a discontinuance, reduction, or impairment of service under § 27.66 or where discontinuance, reduction or impairment of service results from an involuntary act subject to § 27.66(a) , the licensee must comply with the notification and authorization requirements set forth in that section.72 FR 27712, May 16, 2007, as amended at 72 FR 48853, Aug. 24, 2007