Colorado Revised Statutes Title 8. Labor and Industry § 8-70-140.5. Employment does not include--drivers of taxis or limousines

(a) That the driver may either lease or contract for a motor vehicle owned by such carrier or may own the motor vehicle driven and lease it to the carrier, which may then re-lease such motor vehicle to the driver;

(b) That the driver shall be instructed in the method of the carrier's operation, that the driver is familiar with federal, state, and municipal statutes, ordinances, and regulations, and that the carrier shall enforce compliance by the driver with such federal, state, and municipal statutes, ordinances, and regulations;

(c) That certain enumerated transportation services shall be accomplished personally by the driver;

(d) That certain characteristics on the body of the vehicle being used, including color and requirements for any written displays, are required for the sake of uniformity;

(e) That certain periodic driver safety training is required;

(f) That the common carrier has certain control over any assistant working with the driver for purposes of enforcement of and compliance with federal, state, and municipal statutes, ordinances, and regulations;

(g) That a specific number of hours is allotted in the form of shifts in which the driver shall complete a particular shipment of goods for the purpose of meeting the transportation equipment needs of drivers and the transportation needs of the public;

(h) That certain procedures for radio telecommunication between drivers and the carrier are mandated;

(i) That the driver shall work only for the carrier with whom such driver has contracted while such driver is operating the motor vehicle;

(j) That the driver is prohibited from advertising any services offered while driving for the carrier;

(k) That the carrier shall pay the driver's fees when the carrier accepts charge vouchers from the driver for services rendered to customers by such driver;

(l) That such lease or contract may be terminated by any party to such lease or contract; except that the driver may be required to complete an accepted trip; and

(m) That no length be specified for the term of such lease or contract.