If you are looking to take your own or hire a boat abroad, many countries now insist on the ICC as a formal qualification for at least one person on board.
Essentially, the ICC Power license has 3 categories. When an ICC certificate is issued, only the categories for which competence has been proven will be validated. Categories are as follows:

Power up to 10m ICC (Coastal or Inland)
(Best way to obtain by undertaking the 2 day RYA National Powerboat Level 2 Certification)
RYA Level 2 National Powerboat Course

Power over 10m up to 24m/80Tonnes ICC (Coastal or Inland)
(Training needs to be conducted onboard a vessel over 10m)

Personal Watercraft (PWC)
Simple one day course will cover you for the (PWC ICC)

We can also offer the CEVNI endorsement to the ICC, which is essential if you wish to travel the inland waterways.
(Best way to obtain by undertaking a short online interactive course)

Aim: To teach the skills and techniques required to obtain the International Certificate of Competence (ICC) including boat handling, Navigation Theory, Pilotage, Regulations, Safety, man overboard.

Experience required: Some previous boat handling would be an advantage.

Duration: This will be dependent on experience if candidate has little experience 1 / 5 days. If candidate can demonstrate competence in all areas a direct assessment can be offered.

Cruising area: Liverpool Bay