To sign up for a class or schedule a test:
Email weightsandmeasures@mt.gov or call (406) 439-4193
You will fill out the registration forms after you pass the test. You must also provide certification done within the past two years at any NIST lab for all standards that will or may be used in Montana.
Yes, all devices placed into service for the first time in Montana and manufactured after January 1, 1999 must have an active certificate of conformance. To search, go to:
A placed in service form must be submitted (or post marked) within 5 working days of the service date for all scales and meters. A test report is required for any scale with a capacity of 8000 or more pounds. We can furnish you with the placed in service form or you can develop your own. If you use an alternate form, you must have it approved by us prior to use. You can submit them by email, fax or mail for approval.
Mailing Address:
Weights and Measures Bureau
PO Box 200516
Helena, MT 59620-0516
Email: weightsandmeasures@mt.gov
Fax: (406) 841-2050