30 months after the date on which the notice of proposed rulemaking under subparagraph (B) is completed, the Secretary shall issue a final rule pursuant to the rulemaking conducted under this subsection. (b) Considerations In carrying out the advanced notice of proposed rulemaking required in subsection (a)(1), the Secretary shall consider the following: (1) The scope and anticipated number of qualified individuals with a disability who— (A) may need to be seated with a companion to receive assistance during a flight