70. Before entrusting his vehicle to a bus driver, the owner of a bus or minibus shall ensure that the driver has the abilities required to perform the following duties:
(1) operating the power lift platform and using the loading ramp;
(2) providing safe service to passengers in wheelchairs when using the loading ramp, the power lift platform and the securement devices for wheelchairs;
(3) using the communication equipment installed in the vehicle, if any.