You should email a PDF or JPEG copy of the signed form to tax-withholding@interactivebrokers.com. If you have not been able to obtain a stamp from your local tax authority, please ensure that you also email your Tax Residency Certificate (TRC) to this same email address.
Alternatively, you can upload your signed Form 8-3-6 to your Client Portal through the ‘Document Submission Task’ tab. However, if you are submitting a TRC with your Form you will still need to send this separately to the above email address.
Please put your IBIE account number in the email subject line in all email correspondence. A failure to do so may delay or prevent the processing of your application,
Additional Information
*This document is for information purposes only and does not constitute tax, regulatory or any other kind of advice. If you are unsure of your tax obligations please consult the Irish Revenue Commissioners, your local tax authority or an appropriate tax professional.