(a) A possible obligation that arises from past events and whose existence will be confirmed only by the occurrence or non-occurrence of one or more uncertain future events not wholly within the control of the enterprise; or
(b) A present obligation that arises from past events but is not recognized because:
i. It is not probable that an outflow of resources embodying economic benefits will be required to settle the obligation; or
ii. The amount of the obligation cannot be measured with sufficient reliability.