Access UBS (Inventory): Error: 'unauthorized_client' when transmitting the e-Invoice.
Description
- Error: 'unauthorized_client'
- Unable to transmit e-Invoice
- Unable to send e-invoicing for validation
- Test mode validation failed.
Solution
To ensure smooth eInvoice processing, it’s crucial that you register on the correct website, allowing us to act as your intermediary for eInvoice transmission. Verify the URL you used during registration to confirm that they correctly set up
Access as their intermediary.
- Please ensure you have registered your company under this URL:
- (Live) Corporate & Individual MyInvois: ()
Note: Your company should not be registered under this URL: () – this site is intended for testing purposes only.