The Use Sub-Area 3 configuration allows a 3rd sub-area to be recorded in byondpro.
Access the configuration from the Custom Configuration area of byondpro.
Use the search fields to complete search for the configuration and then press Find on the right-hand side of the page.
Choose the UseAreaS3 configuration.
By changing the 'N' to a 'Y', this allows the cemetery to record the 3rd sub area.