After approval of an RSSP request, TSA will confirm the request details with the regulated entity and provide updated cost estimates for the establishment and operation of the RSSP location. An initial deposit will be required before TSA can begin work. TSA and the regulated entity will then enter into a Memorandum of Understanding (MOU) and Reimbursable Services Agreement (RSA) to establish the parameters of the official agreement. There may be additional agreements regarding the procurement checkpoint TSE and related equipment for the RSSP location by the regulated entity and the engagement by the regulated entity of third party contractors for the establishment and operation of the RSSP location.