pattaphorn
Minnesota DNR Training Permit
Although not necessary for organized training days, filling out a DNR Permit for training dogs afield is a good idea. Especially if you are shooting / working with live birds. It's simple to fill out and is free of charge. Below is a link to the Minnesota DNR file.
http://files.dnr.state.mn.us/rlp/permits/enforcement/dog_training.pdf