Learn about MDARD's four bureaus, including contact information, by clicking the above link, or view specific information below.
Boards, Councils, and Commissions
Want to know how to contact the Michigan Department of Agriculture & Rural Development? On this page you will find phone numbers, email addresses, snail mail addresses, and online contact forms for everything we do here at MDARD. We even have a complaint form for those of you with complaints.
Laws and Regulations pertaining to and governing the actions and policies of the Michigan Department of Agriculture & Rural Development.
This area contains information for press and media agencies. Press Releases, Pics, Podcasts & Videos
Animal ID and movement requirements in the State of Michigan
Animal health resources for veterinary professionals.
Diseases affecting, or potentially affecting, animals in Michigan
Information on how to acquire a feed license to manufacture or distribute commercial feed in Michigan.
Rules governing the disposal of Bodies of Dead Animals (BODA).
Materials developed to provide information on how an individual may become a qualified Animal Control Officer.
Information about how MDARD's Agriculture Development Division can help you grow your business in Michigan.
Programs under the Private Forestlands Initiative, including the Forestry Assistance Program, Qualified Forester Registration, and Qualified Forest Program.
Good migrant labor housing is an essential element in securing an adequate supply of seasonal agricultural workers.
The Cottage Food law, enacted in 2010, allows individuals to manufacture and store certain types of foods in an unlicensed home kitchen.
Find a licensed firm in Michigan, from pesticide businesses to retail establishments, and more.
For the registration of horses, breeders and owners so as to render them eligible for racing and breeder/owner awards.
Retail Motor Fuel Outlet licensing information, applications and forms.
Information on Weights & Measures service person and agency registration, as well as weights and measures advisories.
Each new, existing, and proposed commercial pesticide or fertilizer bulk storage facility is required to register annually with the Michigan Department of Agriculture and Rural Development.
Fertilizer License and Registration Requirements, as well as Liming License Requirements
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For more information regarding Weights & Measures, call us at 517-655-8202.
E.C. Heffron Laboratory
Attention: Weights and Measures Unit
940 Venture Lane
Williamston, MI 48895
Service Agency & Person Registration
Upcoming W&M Serviceperson Examination Schedule
NOTICE: Agencies or persons allowing their registration to lapse beyond 12 months from the expiration date will be required to reapply and retest for all applicable exams to become registered.
Service Person Transfer Form (2/11/2025)
How to Calculate the Tolerance for Class II and Class III Scales
Serviceperson Place In Service Report in PDF (6/2025)
Security Seal Requirement Effective May 1, 2015
Michigan Registered Service Person/Agency Details & FAQ
Any service agency and or individuals employed to install or repair weighing and/or measuring devices in the State of Michigan. (i.e. scales, meters) and wishes to legally "place in service" the device for "commercial" use must be Registered with the MDARD Weights and Measures program.
Business Requirements for Weights and Measures Service Agencies and Personnel
Registration of service agencies and personnel is required in order for service personnel to place all manner of commercial weighing and measuring devices into service
Service Agency / Service Person Registration Frequently Asked Questions
The following is a list of frequently asked questions regarding service company and person registration. The list will be updated from time to time as new questions arise.
Examples of Voluntary Registration Exam Questions
Service Agency / Service Person Registration Application
Submitting this application is one step to becoming a Michigan Weights and Measures Registered Service Agency.
P.A. 283 of 1964, as amended, the Weights and Measures Act
Learning Resources and Training Materials | NIST
NIST - Examination Procedure Outlines (EPOs) | NIST