View available series and sequential numbers
Use this procedure to see the technical keys loaded for each document type and their valid date ranges.
Series and sequential numbers identify each document uniquely. Technical keys (Claves Técnicas), also called resolutions, are DIAN authorization codes for specific invoice number ranges.
- Go to Consola de Procesos.
- Select Administración de series y correlativos.
The list of technical keys displays, showing each document type and its valid date range.