| Antiquity (manufacturing year)* | Frecuency of revisions |
|---|---|
| Under 5 years | Biennial |
| Over 5 years | Annual |
| Public transportation | Semester |
* Important: seniority is based on the manufacturing year, which is not necessarily the year model.
In what month should my vehicle do VTI?
| Month | Personal use* | Public transportation and hazardous substances transportation* |
|---|---|---|
| january | 1 | 1 and 6 |
| february | 2 | 2 and 7 |
| march | 3 | 3 and 8 |
| april | 4 | 4 and 9 |
| may | 5 | 5 and 0 |
| june | 6 | |
| july | 7 | 1 and 6 |
| august | 8 | 2 and 7 |
| september | 9 | 3 and 8 |
| october | 4 and 9 | |
| november | 5 and 0 |
* The summon is based on the last digit of the number on the license plate.