As of August 28th, 2025 the state of Missouri passed a bill that removed state and local tax on diapers, feminine hygiene, & incontinence products. This bill is automatically applied when purchased, there are no additional forms required to fill out. For the Retailers, you will report the dollar amount sold as a negative adjustment on the sales tax forms. For more detailed information please visit the link below.
https://dor.mo.gov/faq/taxation/business/hygiene-products-exemptions.html