N.Y.C. Admin. Code § 19-515: § 19-515 Color schemes and emblems.

a. For-hire vehicles may be painted any color approved by the commission, other than the colors reserved for medallion taxis.

b. For-hire vehicles shall have the name of the owner or operator displayed on the outside or inside of the vehicle in such form as shall be prescribed by the commission, except that the commission may prescribe an exemption from this requirement for classes of for-hire vehicles for which such display would be inappropriate. All for-hire vehicles must at all times carry in the glove compartment and produce upon demand of any police, peace, law enforcement officer, inspector or officer of the commission:

1. The for-hire vehicle license.

2. The driver's commission-issued driver's license.

3. Evidence of current liability insurance or financial responsibility.