August 2 is also the due date for the required Forms 5500 or 5500-EZ, plus the applicable attachments to be filed by the self-employed or by employers who have set up a pension, annuity, stock bonus, profit sharing, or other funded plan that provides deferred compensation for employees. 

In the case of a fiscal year plan, file these information forms before the last day of the seventh month following the end of the plan year. To receive a filing extension of 2.5 months, submit Form 5558, Application for Extension of Time to File Certain Employee Plan Returns.