I work at a corporate pet store. We recently got a new store manager who wants all the employees as his individual store to sign a contract he made. This contract does not apply to all the stores company wide. It is a contract stating that we as employees may not clock in late or clock out late. This is part of our original contract with the company of course. However, the part of this contract that makes me question the legality is that this contract sounds like a warning. If we call out sick, we will get a final warning, then termination. None of the employees in the store have been given official warnings about their individual attendance or tardiness. Is this legal for the manager to make his employees sign this contract?