; (3) whether air carriers and foreign air carriers should be required to use their own personnel instead of contractors for boarding passengers with limited or no mobility; and (4) whether individuals able to provide boarding and deplaning assistance for passengers with limited or no mobility should receive training from medical professionals on how to properly lift these passengers. (d) Final rule Not later than 12 months after the date of enactment of this section, the Secretary shall issue a final rule pursuant to the rulemaking conducted under this section. (e) Penalties The Secretary may assess a civil penalty in accordance with section 46301 of title 49, United States Code, to any air carrier or foreign air carrier who fails to meet the requirements established under the final rule under subsection (d). 734. Training standards for stowage of wheelchairs and scooters (a) Rulemaking The Secretary shall conduct a rulemaking to develop minimum training standards related to stowage of wheelchairs and scooters on aircraft. (b) Requirements The training standards developed under subsection (a) shall require, at a minimum, that airline personnel or contractors— (1) complete refresher training every 6 months and be recertified yearly on the job by a superior in order to remain qualified for handling and stowing wheelchairs and scooters