Mississippi Code
Chapter 87 - Contracts Between Out-of-State Principals and Commissioned Sales Representatives
§ 75-87-3. Sales representative contract to set forth means by which commissions shall be computed and paid

Whenever any principal enters into an oral or written contract with a sales representative for services to be rendered within this state and the contemplated method of compensation of the sales representative involves a commission, the contract shall set forth the means by which the commission shall be computed and paid.