WISA's vice president, who the Dominion Post reported to be Ms Ryder's cousin Tai Te Karu, admitted to defrauding the association and was sentenced to jail as a result.
Accountant's audits of the association found that it was in poor shape financially and tens of thousands of dollars of WISA funds still remain unaccounted for.
Ms Ryder was one of three signatories who signed incorrectly completed cheques. As she was never charged with any offences, she remained entitled to the pay she was owed.
The ERA found that Whitireia had never taken over the running of WISA and believed that the association had a valid executive at the time of Ms Ryder's claim.
"Unfortunately for Ms Ryder the timing of issues meant that her claim was not met and cannot now be met by Whitireia from funds held on behalf of WISA as they have been exhausted."
It was determined that Whitireia was not responsible to pay the debts owed to Ms Ryder by WISA.
Costs were reserved.