04/10/2026
Monthly employee tip reporting due for March
04/15/2026
Monthly filer payroll tax due for March
2025 IRA, HSA, ESA contribution deadline
- FBAR Form 114 due
Estimated payments for the 1st quarter of 2026 are due for individuals, trusts, C corporations
- Due date for Form 1040, 1041, 1120 and extensions
04/30/2026
File Form 730 and pay tax for March's accepted wagers
- 2026 Q1 Form 720 due
- 2026 Q1 Form 941 due