Massachusetts State Seal An official website of the Commonwealth of Massachusetts Here's how you know

Official websites use .mass.gov

A .mass.gov website belongs to an official government organization in Massachusetts.

Secure websites use HTTPS

A lock icon or https:// means you've safely connected to the official website. Share sensitive information only on official, secure websites.

Renew your certification to conduct breath testing by registering for in-person training

This in-person course is offered by the Office of Alcohol Testing (OAT) to Massachusetts law enforcement agencies.
The BTO ONLINE re-certification program is currently unavailable.

Office Of Alcohol Testing - BTO Program

The Details

How to renew

Register for Breath Test Operator Course to renew your certification.

For additional information or questions, please contact the Office of Alcohol Testing BTO program.

Contact

Address
124 Acton Street, Maynard, MA 01754
Phone

Please call between 7:00 a.m. and 3:00 p.m.

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback