File Form 730 and pay tax on wagers accepted during August. Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: October 1, 2018 all-day 2018-10-01T00:00:00-07:00 2018-10-02T00:00:00-07:00 ← File Form 11-C to register and pay annual tax if you are in the business of taking wagers.