Employers in Mississippi must comply with these state rules relating to payroll tax reporting and filing information returns.
Statements to Employees: Federal Form W-2 by January 31, or upon termination of employment
Information Returns: Federal Forms 1099, transmittal Form 89-140, due by February 28 for paper or March 31 for electronic, forms of fixed or determinable gains, profits, or payments of $600 or more to non-residents of rents, royalties, etc., or income of $1,200 or more which is not subject to withholding.