Mississippi Administrative Code
Title 2 - Agriculture and Commerce
Part 1 - Rules of the Mississippi Department of Agriculture and Commerce
Subpart 3 - Bureau of Plant Industry
Chapter 11 - Regulation of Professional Services
Subchapter 01 - Regulations Governing Commercial Insect, Rodent, Plant Disease, and Weed Control Work
Performing of Services Under the Act
Section 2-1-3-11-01-109.05

RTIDs issued in the categories "WDIL" or "GRCL" or "FUML" shall expire thirty-six (36) months from the date of issuance. To renew an RTID, a renewal form prescribed by the Bureau must be submitted showing that the RTID holder has attended a training course approved by the Bureau within the twelve (12) month period preceding the RTID expiration date. Upon receiving a completed renewal form, the Bureau will issue a new RTID.

Miss. Code Ann. § 69-19-1 & Miss Code Ann. § 69-23-109