Skip to main content

Belgium: Portal for DTT and IIR returns and notification of general representative opened on July 1, 2026

DTT and IIR returns are due September 30, 2026

july 7, 2026

The portal for submission of domestic top-up tax (DTT) and income inclusion rule (IIR) returns, as well as notifications of the general representative, opened on July 1, 2026.

The deadline for submission of the DTT and IIR returns is September 30, 2026.

Read a July 2026 report prepared by the KPMG member firm in Belgium

Thank you!

Thank you for contacting KPMG. We will respond to you as soon as possible.

Contact KPMG

Use this form to submit general inquiries to KPMG. We will respond to you as soon as possible.
All fields with an asterisk (*) are required.

Job seekers

Visit our careers section or search our jobs database.

Submit RFP

Use the RFP submission form to detail the services KPMG can help assist you with.

Office locations

International hotline

You can confidentially report concerns to the KPMG International hotline

Press contacts

Do you need to speak with our Press Office? Here's how to get in touch.

Headline