When Poor Documentation Becomes a Material Weakness
Every year, audit firms publish research on the root causes behind material weaknesses. At the top of the list is the lack of policies, procedures, and documentation.
Every year, audit firms publish research on the root causes behind material weaknesses. At the top of the list is the lack of policies, procedures, and documentation.(1) In practice, these three elements are often treated as paperwork rather than the backbone of a functioning control environment. This issue is even more relevant today as AI tools make drafting content faster, creating a real risk of skipping the review cycles that catch hidden process gaps.
Three Terms, Three Jobs
These words get used interchangeably, but they’re not the same thing.
1.
Policy
(The Mandate)
This is the “what” and “why,” written as broad statements that explain the purpose of the work and the success criteria.
2.
Procedure
(The Workflow)
This is the “how” or step-by-step instructions on who does what, when, where, and how exceptions get handled.
3.
Documentation
(The Proof)
This is evidence that the policy and procedure were followed. Common examples are Risk and Control Matrices (RCMs), narratives, flowcharts, system logs, and approval records.
How the Three Layers Connect
To demonstrate how these layers connect, here is a complete Customer Credit Approval workflow within the Order-to-Cash cycle.
#1 Sets the rule.
#2 Operationalizes it.
#3 Proves it happened.
Struggling with creating policies and procedures? Download the
Policy, Procedure, and Documentation Checklist.
1. Policy (The Mandate)
No customer order exceeding an approved credit limit may be released without documented approval at the appropriate authority level.
2. Procedure (The Workflow)
- The sales representative submits a new customer setup request with a completed Credit Application.
- A credit analyst pulls a third-party credit report and calculates the recommended credit limit using a standard scoring model.
- Credit is routed for approval based on dollar thresholds (Credit Manager, Finance Manager, or CFO).
- The approved credit limit is entered into the ERP, which automatically blocks orders exceeding it.
- Any exception needs Credit Manager Approval before sign-off and release.
3. Documentation (The Proof)
The signed application, credit report, approval records, ERP audit log, and exception log that prove the control operated.
Why It’s Worth Getting Right
This isn’t just about making audits smoother. Well-defined policies, procedures, and documentation:
- Drive consistency across the organization
- Align with industry best practices
- Continuously improve processes through regular review
- Proactively identify risks before they occur
- Give the organization’s financial processes a structure people can follow
Want to know more about material weakness? Read our insight
How to Overcome a Material Weakness.
Upcoming
- September 2026 - MW Root Cause #2: Lack of accounting personnel resource/expertise
- October 2026 - MW Root Cause #3: Information Technology (IT), software, security, and access issues
- November 2026 - MW Root Cause #4: Lack of separation of duties (SOD) / design of controls
- December 2026 - MW Root Cause #5: Inadequate disclosure controls


