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Renewal

Notice of Annual Registration Renewal Français

The College of Medical Laboratory Technologists of Ontario (CMLTO) Annual Registration Renewal for 2024 begins on November 1, 2023. Medical Laboratory Technologists registered with the CMLTO must renew their registration by December 31, 2023, at 11:59 p.m. EST.

To renew your CMLTO registration:

1. Go to: www.cmlto-onlineservices.com. 

2. Log in using your Username (which is your CMLTO registration number) and your password  

  • If you have forgotten your password, you may reset it by typing "forgot" in the password section then click the "Login" button and select "Click Here to Reset your Password." An email will be sent to the primary email address in your CMLTO profile with a link to confirm the password reset request. When you receive the email, click the link to reset your password.
3. Click "Renew or Resign your Registration" at the top of the main login page.

4. Complete all required renewal sections.
  • Please note if you are registered as Practising and renewing as Non-practising or resigning your registration, you must complete the Practice Timelines section to record the number of hours you worked in 2023. These hours are used if you reapply for CMLTO registration or return to a Practising class of registration.
  • A valid email address is required to complete the renewal process. The CMLTO By-Law requires registrants to provide the College with "A distinct personal e-mail address for the Registrant which is unique to the Registrant and checked by the Registrant regularly".
  • All Practising registrants must verify their employment information and update it as required.
5. Select a payment option, pay the annual fee, and submit your renewal.
     Payment must be confirmed to complete your renewal.
  • Registrants may pay with Visa, MasterCard, or Interac. If you are using a Visa-Debit card, select the "pay by credit card" option to process your payment.
  • Registrants cannot pay by cheque. CMLTO cannot accept payments made through your bank, i.e., in-person banking, online banking, or e-transfers.
6. Print your tax receipt by clicking "View/Print Receipts".
    The receipt may be used as proof of CMLTO registration or you may confirm registration through
     CMLTO's Public Register.

To resign effective January 1, 2024:

Beginning November 1, 2023, you may resign your CMLTO registration for 2024. Your resignation will take effect on January 1, 2024. Log in using the steps described above. Under the Class of Registration tab, select "Resign". You will be asked to confirm your decision and your reason for resigning. You must complete the Practice Timelines section to record the number of hours you worked in 2023. This information will be used if you reapply for CMLTO registration in the future. Please note that:

  • Retirement from your employer does not disqualify you from maintaining your CMLTO registration. All CMLTO registrants holding a Practising certificate of registration must fulfill their professional obligations regardless of their employment status, including meeting the Quality Assurance Program requirements.
  • When a registrant resigns their CMLTO registration, they cannot legally use the protected title "Medical Laboratory Technologist" in Ontario.
If you do not complete the annual renewal or resignation processes by the applicable deadline you will be sent a notice of CMLTO's intention to suspend your registration.

If you have any questions, please contact the Registration department by email at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .