Audit Scope and Methodology
We conducted this performance audit in accordance with Generally Accepted Government Auditing
Standards and The Institute of Internal Auditors’ Global Internal Audit Standards. These standards
require that we plan and perform the audit to obtain sufficient, appropriate evidence to provide a
reasonable basis for our findings and conclusions based on our audit objectives. We believe the
evidence obtained meets this requirement and supports our audit objectives.
We used a risk-based, judgmental approach to select items for testing. As a result, the findings reflect
only the items tested and should not be interpreted as representative of, or extrapolated to, the entire
population.
The period audited was January 2023, through March 2026 and included the following procedures:
Inquiries
• Conducted inquiries with CPO employees to gain an understanding of:
o The overall procurement process related to personal service agreements
o How potential conflicts of interest between CPO and external consultants/vendors are
addressed
o How contract prices are determined, benchmarked, and agreed upon
Document Review
• Obtained and reviewed key documents, including:
o CPO Internal Policies and Standard Operating Procedures (SOPs):
▪ CPO-1 Policy for Consulting Services
▪ CC-02 Consultant Ethics and Conflict of Interest
▪ SOP & Checklist (for Category I, II, and III)
▪ Negotiation/ Action Summary Template
o Municipal Research and Services Center (MRSC) Contracting for Services: Guidelines
for Local Governments in Washington State
o Personal Services Contracting Manual for Washington Ports, by MRSC and Washington
Public Ports Association
o Contracting for Services – A National State Auditors Association (NSAA) Best Practices
Document
Validation
• Compliance Testing:
o Obtained a full listing of personal service agreements for the audit period
o Haphazardly selected five agreements (two for Category III, two for Category II, and one
for Category I) to test compliance, in accordance with significant clauses from the
following:
▪ Internal policies and SOPs, as noted above
▪ State Laws and Regulations, specifically RCW 53.19 Personal Service Contracts
▪ Industry best practices, per the NSAA Best Practices Document