A residential mortgage loan broker ceasing an activity or activities regulated by sections 443.701 to 443.893 and desiring to no longer be licensed shall so inform the director in writing and, at the same time, return the license and all other symbols or indicia of licensure to the director. The residential mortgage loan broker shall include a plan for the withdrawal from a business regulated by sections 443.701 to 443.893, including a timetable for the disposition of the business. Upon receipt of such written notice, the director shall issue a certified statement cancelling the license.