When the office receives a written request for review, the office will review the arguments and evidence submitted by the individual. The office will issue a written response to the individual which shall be the final determination of the office. The office will be entitled to keep the intercepted lottery prize money when the time for requesting a review has expired, or, if such request for a review was timely made, when a written response has been issued by the office advising the individual that retention of a specified portion of the lottery prize by the office if proper. Such written response shall constitute a final determination of the matter.