We have written before about building a handbook that protects you. Just as important is knowing when an existing one has gone stale. A handbook is not a write once document. It is a living one, and several common events should send you back to it whether a year has passed or not.
You hired in a new state
Employment law is largely a state matter, and the moment you have an employee in a new state, your handbook may be out of step with rules on leave, final pay, and required notices. This is the single most common trigger, and the easiest to overlook because the new hire feels like a small change.
It has been more than a year
Even without a major event, laws change quietly every year. A yearly review is the baseline. If you cannot remember the last time anyone read your handbook front to back, that is your answer.
How you work has changed
If you moved to remote or hybrid work, changed your hours, adjusted benefits, or started using contractors, your handbook should reflect how the organization actually operates today. A policy that describes a workplace you no longer run creates confusion and risk at the same time.
You had a situation the handbook did not cover
Real incidents are the best teachers. If a question came up and your handbook had no clear answer, that gap is now documented by experience. Close it before the next time.
Leadership or ownership changed
New leadership often brings new expectations about conduct, communication, and culture. The handbook is where those expectations get written down so they apply evenly to everyone.
If your handbook describes an organization you no longer are, it is not protecting you. It is documenting a promise you are not keeping.
A refresh does not mean starting over. It usually means a focused review of the sections most likely to have drifted, which is faster and far cheaper than discovering the gaps the hard way.