Wis. Admin. Code Department of Workforce Development DWD 133.001
Section 108.02(24m), Stats., provides that "temporary help company" means "an entity which contracts with a client to supply individuals to perform services for the client on a temporary basis to support or supplement the workforce of the client in situations such as personnel absences, temporary personnel shortages, and workload changes resulting from seasonal demands or special assignments or projects, and which, both under contract and in fact:
(a) Negotiates with clients for such matters as time, place, type of work, working conditions, quality, and price of the services;
(b) Determines assignments or reassignments of individuals to its clients, even if the individuals retain the right to refuse specific assignments;
(c) Sets the rate of pay of the individuals, whether or not through negotiation;
(d) Pays the individuals from its account or accounts; and
(e) Hires and terminates individuals who perform services for the clients."