(1) A person's repayable SSL debt for an income year is:
(a) the person's accumulated SSL debt referred to in paragraph 1061ZVHA(1)(b) in relation to that income year; or
(b) if one or more amounts:
(i) have been paid in reduction of that debt; or
(ii) have been assessed under section 1061ZVHC to be payable in respect of that debt;
the amount (if any) remaining after deducting from that debt any amounts referred to in subparagraph (i) or (ii).
(2) A reference in paragraph (1)(b) of this section to an amount assessed to be payable is, if the amount has been increased or reduced by an amendment of the relevant assessment, a reference to the increased amount or the reduced amount.