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PROCESSING message display is not mandatory to pass C-2/Mastercard certification. It might had a time overhead depending on POI display capabilities. See GPI/SPED/display.c to add/skip that display.
Send POI Information
The POI Information Identifiers files are available in Data/MASTERCARD directory with the same name as the configuration name. The menu TMS > Send POI Information sends the file to the Acceptance System.
The PROCESSING and ENTRY POINT configurations shall also be sent to the Acceptance System.
The configurations with the SPI activated are:
PPS_SPI
PPS_SPI_Select
PPS_SPI_Dup
PPS_SPI_NoTermCat