For the purposes of paragraph 38B(1)(a) of the Act, a payer is taken to have a satisfactory payment record in relation to the previous 6 months period in relation to an enforceable maintenance liability if:
(a) the enforceable maintenance liability has been enforceable for at least 6 months; and
(b) all enforceable maintenance liabilities arising during those 6 months:
(i) were paid when they were due; or
(ii) if they were not paid when they were due, there are circumstances that satisfactorily explain the late payment; and
(c) no arrears are outstanding.