To modify provincial tax to 8.5% use MA Key,turn to PGM2, press [EMAIL="2711.@2@8.925(8.5*1.05) ca"]2711.@2@8.925(8.5*1.05) ca[/EMAIL](CA/AT) by default 1 is federal, while 2 is provincial. For more information here is the link: http://www.atlaspos.ca/sharpcash ... 520AA530A_MIE10.pdf