for the details of becoming licensed
and a quote from a different page
"Once you have completed your assessments, you will be eligible to apply for membership of ICB. As a member with professional letters after your name, you will stand out from the crowd and be able to access vital ICB support resources, including technical and legal advice. You will also be able to purchase qualification certificates to improve your CV."
So yes level 3 will allow you to apply for Member status which then means you can apply for your practice license