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Website Steps Website Steps
  • Log in to the WASL website by clicking on the "E-services" option.
  • Select “Tax Invoice.”
  • A list of tax invoice numbers will be displayed along with their issue dates.
  • Select the latest one or the desired one.
What’s next? What’s next?
  • If the TRN (Tax Registration Number) isn’t provided, the tax invoice will be unregistered.
  • To receive a registered tax invoice, send an email from your registered email address with the TRN certificate and the current trade license to customercare@wasl.ae.
  • Outstanding amounts need to be zero to register the tax invoice.
  • No modification will be made on the tax invoice except updating the TRN.
  • Once we add the TRN, future tax invoices will be registered with it.
Required Document Required Document
  • TRN (Tax Registration Number) certificate (if unregistered).
  • The current trade license.
Fees and Charges Fees and Charges
  • No fees are required for this process
Service Time Service Time
  • The tax invoice will be available in the portal within one working day after payment.
  • It takes 3 working days to generate a registered tax invoice.
  • Working hours: 8 AM to 4 PM, Monday to Friday.