S.C. Code Ann. § 46-41-220: Assessment on soybeans, grain, and cotton.

An assessment of one cent a bushel must be imposed on all soybeans, one-half cent a bushel on all other grain delivered by producers, and fifty cents per bale of cotton. The assessment for soybeans and grain shall be collected at the first point of sale. The assessment for cotton shall be collected at the time and place of ginning. The grain assessment must be reported and remitted to the department by the grain dealer as of the calendar quarter in which the grain was delivered to the grain dealer, except as provided by Section 46-41-240. The cotton assessment must be reported and remitted to the department by the cotton gin as of the calendar quarter in which the cotton was ginned, except as provided by Section 46-41-240. The department shall remit the assessment to the State Treasurer to be credited to the fund.