The maximum credit for a family is the total of
1) the adult credit (DMG14035)
2) enhanced adult disability credit (DMG14048)
3) 30 hours credit (DMG14031)
4) child credits (DMG14013)
5) partners, other than the first, in a polygamous marriage
(DMG14036)
6) disabled child tax credit (DMG14047)
7) enhanced child disability credit (DMG14049)
8) childcare tax credit (DMG14045)
