(6) Where, by reason of the amount of the monthly joint income, the aggrega
te of the amount of allowance payable to a pensioner’s spouse or common-law partner for a mont
h and the amount of supplement payable to the pensioner for that month under this Part is less than the amount of supplement that would be payable to the pensioner under Part II, the pensioner may, notwithstanding subsection (2), be paid, for that month, the amount of supplement provided under Part II minus the amount, if any, of allowance payable to that pensioner’s s
...[+++]pouse or common-law partner for that month.