El número de justificante debe ser cumplimentado o no es correcto
El número de justificante es un campo obligatorio en las declaraciones informativas. En función de cómo se está presentando la declaración, será necesario revisar cuál es el dato informado en este campo.
If you are filing using the form "Filing for 2021Submission (up to 40,000 records)", it is allowed that the receipt number reported in the file is a number starting with the digits of the model and the remaining positions are zeros. Por ejemplo, 1820000000000. En este caso no se tendrá ningún problema ni al importar el fichero, ni al presentar.
If you are using the option of sending by file, "Filing for 2021Submission by file", supporting documents beginning with the model number and all other positions with zeros are not accepted. Para leer el fichero correctamente debería aparecer 1820000000001 o cualquier otra variación.
To resolve the error, you would have to edit the file.The field "Supporting document number" is always located in record type 1, Declarant, which coincides with the first line of the file and normally between positions 108 and 120, although it is advisable to consult the updated record layout for the specific information return form and check the positions to be revised.