Maryland Code, Transportation § 13-422

(a) A motor vehicle used in vanpool operations shall be registered under this section.

(b) Before the Administration initially registers any used vehicle as a vanpool vehicle or renews the registration of any vanpool vehicle, the applicant shall present to the Administration an inspection certificate for the vehicle issued under Title 23 of this article with a date of issuance not more than 90 days prior to the date of application for or renewal of registration.

(c) Before the Administration registers or renews the registration of any vanpool vehicle, the applicant shall present to the Administration evidence of insurance for the vehicle and its occupants in an amount at least equal to:

(d) If a vanpool operation is a company organized operation, the company may not require participation of an employee as a condition of employment.

(e) If a vanpool operation is a company organized operation, the company may not discriminate against any employee in the use of a vanpool.