Radioactive Materials: General Licenses - Authorization and Registration


General Licenses are issued in Wis. Admin. Code § DHS 157.11 and Wis. Admin. Code § DHS 157.93 authorizing the receipt, possession, use or transfer of certain radioactive materials and devices containing radioactive materials. A person does not need to apply for a general license.

General License Information Sheet, P-45056 (PDF)


Radioactive materials (in isotopes and quantities listed below) that are contained in devices under general license authorization must be annually registered with the department. Registration is for the calendar year. Registration requirements and annual fees are listed in Wis. Admin. Code § DHS 157.12.

*Definition: Transuranic - Having an atomic number greater than 92.
Isotope Minimum Quantity Requiring Registration
Cesium 137 370 Megabecquerels (10 millicuries)
Cobalt 60 37 Megabecquerels (1 millicuries)
Radium 226 3.7 Megabecquerels (0.1 millicuries)
Strontium 90 3.7 Megabecquerels (0.1 millicuries)
(including Americium 241)
37 Megabecquerels (1 millicuries)
*Definition: Transuranic - Having an atomic number greater than 92.


The Department will provide a self-inspection form, F-45021 (Word) (questions) with each annual registration fee bill. General licensees will be asked to complete the form, F-45021 (Word) and return it to the department. Failure to complete and return the form may result in a site inspection.

General License Information Sheets

WISREGS: Instruction Concerning Prenatal Radiation Exposure, P-45024 (PDF)
Information Sheet pertaining to Use of Depleted Uranium, P-45058 (PDF)
Information Sheet pertaining to Use of Radioactive material for certain In Vitro Clinical and Laboratory Testing, P-45059 (PDF)

Last Revised: September 26, 2019