If the workers are being classified as contractors, then it's important to have an arbitrary cut-off that limits how long they can work at your company. Otherw

If the workers are being classified as contractors, then it's important to have an arbitrary cut-off that limits how long they can work at your company. Otherwise some people can get kept on as contractors indefinitely, when they should have been re-coded as full-time employees. Of course, this isn't a limit on length of employment, just a limit on the length of someone's employment as a contractor. Plenty of companies use more of a "contract to hire" approach, and make a decision whether or not to convert employees to full time at the end of the contract.