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BIR 1601-C deadline
Monthly Remittance of Income Taxes Withheld on Compensation.
Next dueOctober 10, 2026in 14 days
What 1601-Cis, and when it's due
Remit the income tax you withheld from employee salaries for the prior month.
Upcoming 1601-C dates
- October 10, 2026in 14 days
- November 10, 2026in 45 days
Never miss the 1601-C deadline
Get an email before it's due. In Quenta, 1601-C and every other return are prepared from your books automatically.
Related reading: How to prepare for BIR deadlines · full 2026 calendar · cloud accounting with payroll software