Request a prewash endorsement

How to apply

Authorized representatives like a ship’s owner, agent or master can apply for this inspection.

When you are applying for a prewash endorsement, you need to provide the following information:

  • vessel’s name
  • official Number (if applicable)
  • IMO Number (if applicable)
  • vessel’s port and berth
  • the requested date and time of service
  • type of inspection (choose “witnessing or exemption from a tank prewashing operation”)
  • product unloaded

To get an endorsement, contact the nearest Marine Safety Office: