| Active member |
| Any appointed person of an Ohio court of record whose primary authority includes management or any administrative function of the court. |
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| Associate member |
| Any person interested in the improvement of the administrative function of the court. |
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| Organizational member |
| Any court who has multiple active members of the OACA. An organizational membership entitles the number of persons permitted by the membership to have the same rights as an active member. |
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| Retired member |
| An active member from the prior year who now has formally retired from a position in an Ohio court. Retired members shall not pay dues and/or registration for conferences and meetings. |
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| Honorary member |
| Any person whom the organization wishes to recognize for outstanding achievements. A person becomes an honorary member after nomination by the membership committee and a majority vote by the Board of Trustees. |