Whether you own a small business with one employee or a growing company with dozens, mistakes are bound to happen. Unfortunately when it comes to payroll, those mistakes can end up costing you a pretty penny.

Did you know that in 2014 U.S. businesses were fined roughly $5 billion in payroll tax penalties? That’s a good chunk of funds to give up for unintentional mishaps. But don’t add a payroll penalty line item to your budget yet! We have compiled a list of eight common payroll mistakes that businesses make so you can avoid them…and the penalties that follow.