Rule 1: No talking about politics, religion, or your mother's cooking.
Rule 2: If you're more than 5 minutes late, don't bother showing up.
Rule 3: The break room is for eating, not socializing. Go home.
Rule 4: No using the copier for non-work-related purposes, except on Fridays.
Rule 5: If it's not explicitly allowed, it's not allowed. Don't make us have to make more rules.