Outage in Exact System
Exact Online Fiscaal – Error message when submitting 2025 Income Tax returns (NL)
Minor
February 27, 2026 - Started about 2 hours ago
Official incident page
Official incident page
Incident Report
You may receive an error message when submitting 2025 Income Tax returns. The error message you may receive is: " Reden: VAS500: Het aangeleverde instance document voldoet niet aan de Nederlandse taxonomie. Hierdoor kan het aanleververzoek niet door Digipoort worden verwerkt. ..." We are investigating this issue and we will update this page as soon as more information becomes available. Our apologies for the inconvenience.
Need to monitor Exact System outages?
- Monitor all your external dependencies in one place
- Get instant alerts when outages are detected
- Be the first to know if service is down
- Show real-time status on private or public status page
- Keep your team informed
Latest Updates ( sorted recent to last )
INVESTIGATING
about 2 hours ago - at 02/27/2026 03:58PM
You may receive an error message when submitting 2025 Income Tax returns. The error message you may receive is: " Reden: VAS500: Het aangeleverde instance document voldoet niet aan de Nederlandse taxonomie. Hierdoor kan het aanleververzoek niet door Digipoort worden verwerkt. ..." We are investigating this issue and we will update this page as soon as more information becomes available. Our apologies for the inconvenience.
Latest Exact System outages
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6020 services available
Integrations with
