Current motor vehicle registrations in Chile are officially known as Placa Patente Única (PPU). This denomination was introduced when unifying the license plate registries at the national level, where each vehicle would carry a unique license plate in the country, in 1985. Formats Old format (before December 31, 1984) In the first registration system, vehicles were registered in each municipality, and this assigned a record independently, whose combinations were governed by a certain geographical distribution. The amounts of letters and numbers depend on the era: These patents carried combinations of letters and numbers. They also wore different colors depending on the type of vehicle, the use it is given or the year. The distribution of information (municipality, combination, year, etc.) on the lines of the plate (upper or lower) also depended on each municipality. Formats Old format (before December 31, 1984) In the first registration system, vehicles were registered in each municipality, and this assigned a record independently, whose combinations were governed by a certain geographical distribution. These patents carried combinations of letters and numbers. They also wore different colors depending on the type of vehicle, the use it is given or the year. The distribution of information (municipality, combination, year, etc.) on the lines of the plate (upper or lower) also depended on each municipality. The amounts of letters and numbers depend on the era: Grades: The vertical line / indicates the separation between the upper and lower line. The separation indicated between the year and the symbol of the Mint is marked in such a way that the first written data is above the second. For example, if it is found as " · [70] " it indicates that the symbol is placed over the year. until 1940: Numbers only. Example: 39 718 / 38 VALPARAISO PR 1940s and 1950s for Santiago: Two letters and two numbers separated by a star, includes the year and type of vehicle. Example: BC 98 / 58 SANTIAGO P (Individual) for the rest of the country: Two letters and three numbers separated by a star (upper line), includes the year and type of vehicle (lower line). Examples: TC 104 / 59 PUNTA ARENAS P (Individual) YH 477 / 58 QUILICURA SW (Station wagon) 1960s for Santiago: Two letters and two numbers separated by the symbol of the Casa de Moneda de Chile (S̊) and the year (bottom line). Example SANTIAGO WAGONS /