there are no standards for box 14 . an employer can enter anything so only they can tell you what that mean. If I had to guess, I would say extra overtime wages. That should be in box 1 but again only your employer can answer with certainty.
TurboTax Expert Assist
Get answers to all your tax questions
Our experts are available on-demand, no appointment needed. Get help all year long with TurboTax Expert Assist.