Here is an overview of the requirements needed to attain each level of the independent adjuster licence. You can find a more detailed breakdown of the requirements on the regulator website.
Insurance adjuster licensing:
Level 1
Successful completion of CIP course: C11 or IINL Licensing exam
Level 2
Level one requirements plus successful completion of CIP courses: C11 + C12 + C14 + C110
Level 3
Level two requirements plus successful completion of CIP courses: C13 + C111 + C112