If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This form is issued by the Maritime and Coastguard Agency. Owners of commercial vessels >500GT who want to operate under the UK flag must register their vessel using this form.