The OP is not on the original 90 day Visa but is on an Extension of Stay which has conditions which says if your circumstances change you have to inform Immigration so the EoS gets cancelled alligned with the cancellation of the WP. Failing to cancel an employment EoS results in a fine of up to
Two Non-O's for my two stays because there's no proof of onward travel needed, no challenge at Immigration for abusing tourism entries and no visit to Immigration to stay up to 90 days plus, if needed, I can visit my bank with the "correct" visa if requested