This section applies to all purchases or leases of new vehicles by private entities which are not primarily engaged in the business of transporting people, with respect to buses delivered to them on or after the date on which this subpart begins to apply to them.

(a) Fixed-route systems. If the entity operates a fixed-route system and purchases or leases an OTRB for or in contemplation of use on the system, it shall meet the requirements of §37.183 (a) or (b), as applicable.

(b) Demand-responsive systems. The requirements of §37.189 apply to demand-responsive systems operated by private entities not primarily in the business of transporting people. If such an entity operates a demand-responsive system, and purchases or leases an OTRB for or in contemplation of use on the system, it is not required to purchase or lease an accessible bus except as needed to meet the requirements of §37.189.