A participant in the Arkansas State Police Officers’ Tier Two Deferred Retirement Option Plan:
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(1) Shall not have a change in his or her monthly retirement benefit unless the plan receives a benefit increase; and
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(2)
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(A) Shall earn interest at a rate set by the Board of Trustees of the State Police Retirement System that shall not be greater than five percent (5%) nor less than one percent (1%) per annum as determined by the board from time to time as promulgated by rule.
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(B) The interest shall be credited to the individual plan account balance of the participant on an annual basis.
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