Note: effective July 1, 2026, MLT and MLS license types were combined into a new category known as High Complexity Testing Personnel (HCTP). If you ever held an MLT or MLS license, it was automatically converted to an HCTP license. Please keep this in mind and answer the following questions based on having an HCTP license. If you did not have an MLT or MLS license, please disregard this message.
If you have an active MLT license and are attempting to obtain an MLS license, you do not need to take further action since the categories were combined. If you have already registered for an account, you can login to update your certification information, if necessary. If you have not yet registered for an account, a letter with a one-time registration code will be mailed approximately 2 months prior to expiration. You can request a code at any time by completing the code request form at https://form.jotform.com/253514221356046.
If you have an MLT license that expired fewer than 5 years ago and are attempting to obtain an MLS/new HCTP license, you are not eligible to apply. Please register for an account if you do not already have one and submit a renewal application. If you do not have a letter with your one-time code, please submit a request at https://form.jotform.com/253514221356046.
If you have an MLT or MLS license that expired more than 5 years ago, you are eligible to apply for a new license.