4MPD KOPEN THINGS TO KNOW BEFORE YOU BUY

It seems Odd that Cardup or ipaymy is ready to know or affirm (or impact?) which card gets the 4mpd. I might have considered it's the bank’s unilateral selection which transactions are incorporated or excluded.Is Harvey Norman suitable for 4mpd? I remembered examining the MCC at the time, seems like it’s not within the whitelist?Funny matter, I