If you have a question about a product or service of the Human Environment and Transport Inspectorate (ILT), a comment or question about this website, or if you cannot find the information you need, you can submit your question to the ILT.
Use our contact form
You can submit a question to the ILT using the contact form.
Your question, along with your contact details and registration number, are entered directly into the ILT’s system. This helps the ILT to handle questions effectively and efficiently. You will receive an automatic email confirming that the ILT has received your question.
Contact us by telephone
You can also contact the ILT by dialling +31 88 489 0000 on working days from 08:30-17:00.