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Internal Audit Workplan

Approved 2023 Audit Plan

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Limited Contract Compliance

  • Louis Dreyfus Company Washington, LLC
  • Seattle Air Ventures, JV (AIR002018, AIR002733)
  • Seattle Air Ventures, JV (AIR002017, AIR002732)
  • Doug Fox Travel/ATZ   


  • Payroll Controls1
  • Airport Parking Garage
  • Equity Policy Directive Compliance
  • Social and Environmental Reporting
  • Fishermen’s Terminal 


  • T-5 Berth Modernization
  • Supply Chain Disruption Management
  • Post IAF Airline Realignment – GC/CM Construction2
  • C Concourse Expansion GC/CM2
  • Main Terminal Low Voltage System Upgrade GC/CM2
  • T-117 Sites 23-25 Restoration Construction Project GC/CM2

Information Technology

  • Email and Web Browser Protection
  • Network Infrastructure Management (ICT)
  • Network Infrastructure Management (Aviation Maintenance)
  • Security Awareness and Skills Training

Contingency Audits

  • Limited Contract Compliance 
    • Gate Gourmet International
    • Host International, LLC
  • Operational
    • Police Department Evidence Room
    • Human Capital – Recruiting
    • Banking (Wire Transfer Controls)
  • Capital 
    • Concourse A Building Expansion for Lounges/DELTA TRA
    • Parking Garage Elevator Modernization
  • Information Technology
    • Network Monitoring and Defense (ICT)
    • Network Monitoring and Defense (Aviation Maintenance)
    • Penetration Testing
    • TSA Cybersecurity3


Per the audit client’s request, this audit has been deferred to the 2023 Audit Plan.
2 RCW 39.10.385 requires an independent audit, paid for by the public body, to confirm the proper accrual of costs, for General Contractor/Construction Manager (GC/CM) projects. This audit work will be performed by external, contract auditors through a multi-year, Indefinite Delivery, Indefinite Quantity (IDIQ) contract. Internal Audit will perform continuous cost reviews of these projects, review areas not looked at by the contract auditors, and also partner with the contract auditors as needed. Internal Audit will issue  an audit report on areas covered.
3 TSA is in the process of mandating audits. These will be required in either 2023 or 2024.
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