; (2) guidance and expectation for supervisory biweekly timesheet review; and (3) a formal plan for reviewing user access, not less than annually, to ensure appropriate system access and permission levels. (b) Information systems The Administrator of the Transportation Security Administration shall work to establish systems to assist the Office of Inspection of the Administration with timesheet submission and approval processes and improve data transfer and communication between the timekeeping system and the Case Management System. (c) Premium pay eligibility The Administrator of the Transportation Security Administration shall develop, formalize, and implement processes to ensure compliance with relevant policies requiring criminal investigators and supervisors annually complete documentation certifying availability for Law Enforcement Availability Pay. (d) Resource allocation The Administrator of the Transportation Security Administration shall develop and implement guidance to ensure proper review of annual calculations for resource allocation within the Office of Inspection of the Administration. 524. Checkpoints of the future (a) In general The Administrator of the Transportation Security Administration shall develop passenger self-screening solutions for PreCheck passengers in a manner which— (1) does not reduce the overall security posture of the checkpoint