; and (2) the number of employees hired under such authority, the relevant line of business to which such employees were hired, and the occupation type of the positions filled. 524. Staffing model for aviation safety inspectors (a) In general Not later than October 1, 2024, the Administrator shall review and revise as necessary the staffing model for aviation safety inspectors. (b) Requirements (1) Consideration of prior studies and reports In revising the model, the Administrator shall take into consideration the recommendations outlined in the following: (A) The 2006 report released by the National Research Council entitled Staffing Standards for Aviation Safety Inspectors . (B) The 2007 study released by the National Academy of Sciences entitled Staffing Standards for Aviation Safety Inspectors . (C) The 2013 report released by Grant Thornton LLP, entitled ASTARS Gap Analysis Study: Comparison of the AVS Staffing Model for Aviation Safety Inspectors to the National Academy of Sciences’ Recommendations Final Report . (D) The 2021 report released by the Inspector General of the Department of Transportation entitled FAA Can Increase Its Inspector Staffing Model’s Effectiveness by Implementing System Improvements and Maximizing Its Capabilities . (E) The FAA Fiscal Year 2023 Aviation Safety Workforce Plan conducted to satisfy the requirements of section 104 of the Aircraft Certification, Safety, and Accountability Act, as enacted in the Consolidated Appropriations Act, 2021 ( 49 U.S.C. 44701 note). (2) Service and Office staffing level The model will project staffing at the service and office level and require managers to use the model as part of the resource assessment for aviation safety inspector resources. (3) Attrition The aviation safety inspector staffing model will take into consideration forecasted attrition. (4) Consultation In revising the model, the Administrator shall consult with interested persons, including the exclusive collective bargaining representative for aviation safety inspectors certified