06/01/2026
File Form 730 and pay tax for April's accepted wagers
06/10/2026
Monthly employee tip reporting due for May
06/15/2026
Monthly filer payroll tax due for May
Estimated payments for the 2nd quarter of 2026 are due for individuals, trusts, C corporations
06/30/2026
File Form 730 and pay tax for May's accepted wagers