P.R. Laws tit. 9, § 5412
No person shall drive a vehicle on a public highway equipped with any device, lamp or dome or light that issue or reflects a steady or flashing light of any color that is visible from any angle. The following rules shall apply as an exception with regard to said devices, lamps or dome or lights:
(a) The use of a blue light is exclusively reserved for those vehicles used by the Police, legislators, mayors, judges and prosecuting attorneys.
(b) The use of said green light is exclusively reserved for those vehicles of the Corrections Administration, the Municipal Police Forces and the Ranger Corps of the Department of Natural and Environmental Resources.
(c) The use of a red light is exclusively reserved for the remaining emergency vehicles listed in subsection (100) of § 5001 of this title and are not expressly mentioned in this section.
(d) The use of an amber light is reserved for official vehicles used by the Public Service Commission, the Traffic Ordinance Corps, tow trucks authorized by the Commission while transporting vehicles, the government agencies and instrumentalities rendering public services, school vans or buses, regardless of their dimension, and private security agencies.
(e) No vehicle may be equipped or driven on a public highway with flashing lights other than those used as signal lights. The following vehicles are hereby exempted from the provisions of this subsection:
(1) Police or emergency vehicles.
(2) Vehicles reserved for the exclusive use of Municipal Guards, the Ranger Corps of the Department of Natural and Environmental Resources, official vehicles reserved for the exclusive use of the Corrections Administration, and vehicles authorized by the Environmental Quality Board.
(f) The Commonwealth Emergency Management and Disaster Administration Agency and the municipal emergency and disaster offices may use a combination of red and blue lights on their official vehicles.
(g) Federal government vehicles shall be governed by their respective rules and regulations regarding the lights, sirens and other equipment regulated by this section.
Any person who violates the provisions of this section shall incur an administrative fault and be punished with a fine of one hundred dollars ($100).
History —Jan. 7, 2000, No. 22, § 14.12; June 3, 2004, No. 132, § 14, eff. 8 months after June 3, 2004; Dec. 19, 2013, No. 155, § 1.