Okla. Stat. tit. 2, § 2-5-60.18: Exemption from assessment

A. The original referendum and subsequent board elections may

provide exemptions for producers from payment of the assessment if

the exemptions are included in full written form on the election

ballot and are approved by:

1. Two-thirds or more of those voting in the election; or

2. More than one-half of those voting in the election and those

voting in favor of the proposition produce at least fifty percent

(50%) of the volume of production of the commodity during the

relevant production period.

B. A successor organization shall follow the board election

procedures set in the bylaws of the successor organization and the

statutory assessment provisions for the particular commodity

represented by the successor organization.