Online there are several examples of what you should be aiming for when completing your professional review. Here (https://www.academia.edu/31890082/Professional_Review_Industry_Route_Application_Form_2015_Editable_copy_copy_copy_copy_copy_copy) you can find a CIOB professional review example PDF with a guideline of what you can expect throughout the process with an example application which has been filled out. It also gives you an idea as to the spaces and formatting that you will have to adhere to throughout your review.
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