The Society of NLP charges $100 for a Practitioner or Master Practitioner license, which is an optional payment on some of my courses. If the license fee is not included in your course, and you want to add that option, then you need to do two things; firstly, complete the license form and secondly, pay $100 plus a small processing fee which covers transaction charges, currency conversion and postage.
You can find the license forms and supporting information here:
Simply choose the 'License Agreement' appropriate for the course you've taken, fill it out, scan it or take a photo with your phone and email it to me.
You can pay for the license application here: