Contact

Report an error, a rate change or a question by email.

[email protected]

When you report an error

• Which calculator, and the values you entered
• The result you got and the result you expected
• Your source, such as a payslip line or an agency page

Please hide names, tax identification numbers and addresses on any payslip or letter you attach. Email is handled under the privacy policy.

This is not a service for your own case. For that, contact the BIR or a qualified professional.