How To Become As International Waterski Official
First of all, you must start your official path at National Level, which means you must go through certain steps with your national Federation before you are able to become as an International Waterskiing Official, After that you can take an International Official Exam by certain Rules (seeĀ E&A Tournament Additional Rules).
Useful Materials
Various links to some useful materials from IWWF and AWSA.