July 31, 2018 @ 12:00 am - August 1, 2018 @ 12:00 am File Form 5500 or 5500-EZ for calendar year 2017 employee benefit plan
July 31, 2018 @ 12:00 am - August 1, 2018 @ 12:00 am File Form 730 and pay the tax on wagers accepted during June.