; or (B) make the determination described in section 309(k)(3) and deny such request (including any amendment to such request). (g) Modification of license; grant of market access (1) Major modifications Except as provided in paragraphs (2), (3), (5), and (6) and subsection (m), and not later than 1 year after the date on which the Commission receives a request to modify a license granted under subsection (b)(1), the Commission shall grant the request (including any amendment to such request) if the Commission determines the modification meets the requirements under subsection (e). Except as provided in paragraphs (2), (3), and (5), the Commission may grant a request (including any amendment to such request) to modify a license granted under subsection (b)(2) or a grant of market access granted under subsection (c) if the Commission determines the modification meets the requirements under subsection (e). (2) Expedited treatment for minor modifications (A) NGSO license modifications Except as provided in paragraphs (3), (5), and (6) and subsection (m), and not later than 90 days after the date on which the Commission receives a request to modify a license granted under subsection (b)(1), the Commission shall grant the request (including any amendment to such request) if— (i) the Commission determines that the modification or modifications meet the requirements (if applicable) under subparagraphs (A) and (B) of subsection (e)(2); and (ii) the request is limited only to modifications, or a class of modifications, that— (I) increase transmission capacity; (II) improve spectral efficiency, such as by improving compression technologies; (III) improve the orbital variance efficiency of the space station (or space stations, considered collectively, if there is more than one such space station) authorized by the license