5.4 There are a number of activity-based earning models available (for availability and detail click here ) and you will be required to elect which model you choose to subscribe to and may not mix activity-based models of commission earnings. Subject to the provisions of clauses 5.5 and 5.6 below, you are entitled to apply to change your activity-based earnings model upon 7 (seven) days written notice, where after such model shall only become effective on the first day of the month immediately following the month in which the notice of the change in earnings model is timeously given and only if such change is approved.