No flare, fuses, electric lantern, or cloth warning flag shall be used for the purpose of compliance with the requirements of this Subsection unless such equipment is of a type which has been submitted to the secretary of public safety and been approved by him.
No portable reflector unit shall be used for the purpose of compliance with the requirements of this Subsection unless it is so designed and constructed as to include two reflecting elements, one above the other, each of which shall be capable of reflecting red light clearly visible, from all distances within six hundred feet to one hundred feet under normal atmospheric conditions at night, when directly in front of lawful upper beams of headlamps, and unless it is of a type which has been submitted to the commissioner and been approved by him.
La. R.S. § 32:367