The FAQ-Frequently Asked Questions explains how our office can expedite your application. Second, those with temporary work permission. Third, people who choose permanent status. No Work Permit Necessary First, no work permission. As Canadians, your employees probably come to the States over the bridge or through the airport.
Immigration asks the purpose of the trip.
If the inspector feels the traveller is not going to work, he or she is waved through. Whether you know it or not the traveller is given immigration status. There is no form or visa showing the status. There isn't even an application form. Still, immigration gave the traveller B-1 status.