January 31, 2018 @ 12:00 am - February 1, 2018 @ 12:00 am Deposit payroll tax for payments on Jan 24-26 if the semiweekly deposit rule applies.
January 31, 2018 @ 12:00 am - February 1, 2018 @ 12:00 am File Form 730 and pay the tax on wagers accepted during Dec 2017.
January 31, 2018 @ 12:00 am - February 1, 2018 @ 12:00 am File Form 720 for the fourth quarter of 2017.