[Excerpts from Online Regulations]
Section 26 in the Small Game Guide; Other Restrictions
“It is illegal to possess or use an electronic or recorded call while hunting migratory game birds.”

[Overview]
You can use electronic calls and decoys for everything except migratory game birds and turkey. Attempts were made to contact North Dakota Game and Fish. Contact with Chief Game Warden Timian revealed the following statement that, “If it is not prohibited by law or rule it is legal.”