Employee retirement plans, including 401(k)s and pensions plans, are benefits offered by many businesses.  It’s important if your business offers such a benefit that the plan comply with all the laws governing the plan.  However, mistakes can be made, therefore the IRS has published a 401(k) fix-it guide.  Although named a 401(k) fix-it guide, many of the corrections are applicable to other types of employee benefit plans.  The guide lists the eleven most common mistakes made by businesses and then offers tips on finding the mistake, fixing the mistake, and avoiding the mistake in the future.  Most errors can be self-corrected.  If you have questions consult with your plan administrator or attorney.