“Once he is hired, a debit agent is issued a debit book which contains the names and addresses of the company’s existing policyholders in a relatively concentrated geographic area. This book is company property and must be returned to the company upon termination of the agent’s service. The main job of the debit agents is to collect premiums from the policyholders listed in this book. They also try to prevent the lapsing of policies and sell new insurance when time allows. The company compensates the agents as agreed to in the ‘Agent’s Commission Plan…'” See NLRB v. United Ins. Co. of America, 390 US 254, 256-257 (1968)