al; (15) is not required to invest in the principal’s business; (16) is paid for their time and bears no risk of wage loss if the principal’s product is unprofitable; (17) can be precluded from some alternative jobs; (18) does not perform services directly for the public, but only for the principal; (19) can be discharged at will; and (20) normally may terminate their relationship with the principal without incurring liability. (l) “ INDUSTRY CODE ” shall mean the industrial classification number assigned to an industry in the North American Industry Classification System (NAICS) by the Executive Office of the President, Office of Management and Budget. (Added by Ord. No. 172,820, Eff. 10/28/99, Oper. 1/1/01.)