Using the evtCancNFe_v9.99 Cancellation Schema
To use the evtCancNFe_v9.99 schema, you must:
Verify that a next numbering scheme is set up for cancelled NFe lots.
Set a processing options in the NF-e Response Process and Contingencies program (P76B12TE) to specify whether to generate the XML according to the evtCancNFe_v9.99 schema, and to specify the maximum number of NFes to include in a lot of cancelled NFes.
The maximum number of NFes allowed by the government is 20.
Set a processing option in the Unused/Cancelled NF-e Numbers program (P76B22TE) to specify the acceptable time lapse between the approval and the cancellation.
The government requirements for evtCancNFe_v9.99 schema also state that you can void NFes only in the first 24 hours after you receive approval from the government for the NFe.
Set processing options in the NF-e Transmission program (P76B0021) to specify whether to generate the XML according to the evtCancNFe_v9.99 schema, which federation unit to write to the output file, and the name of the layout to write to the output file.
When you generate the XML file using the evtCancNFe_v9.99 schema, the system runs the Cancelled NFes by Lot XML Generator program (R76B524).