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Important
Dates
July 2026
31
Q1 2026 Payroll Reporting deadline
Q1 2026 Payroll Reporting deadline
August 2026
15
Second Franchise Tax Extension deadline
September 2026
15
- Business tax return extended return deadline - Form 1120S and Form 1065
- Q3 2026 personal estimated tax payment deadline
30
Fiduciary extended return filing deadline - Form 1041
October 2026
15
- Personal extended tax return filing deadline - Form 1040
- Business tax return extended filing deadline - Form 1120
31
Q3 2026 payroll tax reporting deadline
November 2026
15
- TX Franchise Tax Extended return deadline
- Non-profit extended return filing deadline - Form 990