Section 238.330 - Minimum disability retirement allowance(1) Whenever an active or inactive member of the system has been found to be entitled to a disability retirement allowance as provided in ORS 238.320, the member shall receive not less than an aggregate of $100 a month under the nonrefund plan, subject to reduction to equivalent actuarial value in the event of the member's exercising any option provided by ORS 238.325.(2) Notwithstanding ORS 238.320, 238.325 and subsection (1) of this section, if an active or inactive member of the system has been found to be entitled to a disability retirement allowance as provided in ORS 238.320 after the member has passed earliest service retirement age, the amount of monthly disability retirement allowance shall not be less than the amount which the member would have received had the member retired for service and elected the same option.(3) Notwithstanding ORS 238.320, 238.325 and subsection (1) of this section, the amount of a monthly disability retirement allowance shall be reduced by the amount by which the combined total of the disability retirement allowance to which the retired member is otherwise entitled for the month and the earned income for the month exceeds the monthly salary received by the retired member at the time of retirement for disability; but the amount of the reduction shall not reduce the combined total of the disability retirement allowance and earned income for the month to less than $400.