Motor Vehicle Traffic and Headlight Regulation

Full annual fee due if applied between January 1 and March 31.
Three-fourths of annual fee if applied between April 1 and June 30.
Half of annual fee if applied between July 1 and September 30.
One-fourth of annual fee if applied between October 1 and December 31.
The postal date of the payment envelope is considered the date of application.
Exceptions for improperly prepared applications where proper application submission date applies.

Tourists staying two months or less are exempt from registration fees.
Fee scaled by length of stay beyond two months:
- 1/4 annual fee for stays up to five months.
- 1/2 annual fee for stays up to eight months.
- 3/4 annual fee for stays up to eleven months.
- Full annual fee beyond eleven months.
Tourists must register vehicles, pay one peso per certificate and number plate, and 5 pesos for a driver's license if operating their own vehicles.

Vehicles with more than three wheels must have two front lamps, one on each side.
Headlights must be lit from half an hour after sunset to half an hour before sunrise.
Lights must make a person in dark clothing visible from 30 meters ahead.
Headlights must emit white light forward.
Additional lamps allowed but must be properly arranged and lit; lighting only one of two additional lamps is prohibited.
In poblaciones (town limits), headlights projecting beams visible more than 75 centimeters above ground at 20 meters distance are prohibited.

Vehicles must display rear lamps: one white light illuminating the vehicle number plate and one red light to the rear.
White rear light must allow legibility of number plate from 18 meters.
Red light must be visible to the rear.

Operators must light required lamps outside set hours if atmospheric/weather conditions make driving unsafe.

Vehicles with less than four wheels must have a front white light during prescribed hours.
All other vehicles must carry one or more lights visible from front and rear during required hours.