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sox-control-tester skill

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This skill guides you through SOX Section 404 control testing, generating workpapers and deficiency classifications to strengthen internal controls.

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---
name: sox-control-tester
description: SOX Section 404 control testing skill with workpaper generation and deficiency classification
allowed-tools:
  - Read
  - Write
  - Glob
  - Grep
  - Bash
metadata:
  specialization: finance-accounting
  domain: business
  category: audit
  priority: medium
---

# SOX Control Tester

## Overview

The SOX Control Tester skill provides comprehensive Sarbanes-Oxley Section 404 control testing capabilities. It supports control documentation, testing execution, and deficiency evaluation for internal control over financial reporting.

## Capabilities

### Control Walkthrough Documentation
- Process narrative creation
- Control point identification
- Risk and control mapping
- Information flow documentation
- Personnel interviews
- System touchpoint identification

### Sample Selection Methodology
- Population definition
- Sample size determination
- Random selection procedures
- Stratified sampling
- Judgmental sampling rationale
- Documentation requirements

### Test of Design Effectiveness
- Control design evaluation
- Preventive vs. detective analysis
- Key control identification
- Compensating control assessment
- Design gap identification
- Remediation recommendation

### Test of Operating Effectiveness
- Test procedure execution
- Evidence collection
- Attribute testing
- Exception documentation
- Reperformance procedures
- Inquiry corroboration

### Deficiency Evaluation
- Control deficiency identification
- Severity assessment criteria
- Compensating control consideration
- Significant deficiency determination
- Material weakness classification
- Aggregation analysis

### Remediation Tracking
- Remediation plan documentation
- Milestone tracking
- Responsible party assignment
- Evidence collection
- Validation testing
- Closure documentation

## Usage

### Control Testing Cycle
```
Input: Control inventory, risk assessment, testing plan
Process: Execute walkthroughs and tests, evaluate results
Output: Testing workpapers, deficiency report, remediation tracking
```

### Deficiency Assessment
```
Input: Identified exceptions, control population, financial impact
Process: Evaluate severity, consider compensating controls
Output: Deficiency classification, management action plan
```

## Integration

### Used By Processes
- SOX Compliance and Testing
- Internal Audit Planning and Execution
- External Audit Coordination

### Tools and Libraries
- GRC platforms (Workiva, AuditBoard)
- Control libraries
- Testing templates

## Best Practices

1. Maintain current risk and control matrices
2. Document all testing procedures and results
3. Evaluate deficiencies promptly
4. Coordinate with external auditors
5. Track remediation to completion
6. Update control documentation for changes

Overview

This skill delivers end-to-end SOX Section 404 control testing, from walkthrough documentation through deficiency classification and remediation tracking. It generates testing workpapers, supports sample selection, and outputs clear deficiency reports and management action plans. It is designed for internal audit, SOX compliance teams, and external audit coordination.

How this skill works

The skill ingests a control inventory, risk assessment, and testing plan, then guides control walkthroughs and executes tests of design and operating effectiveness. It documents evidence, applies sampling methodologies, and evaluates exceptions to classify deficiencies (control deficiency, significant deficiency, material weakness). Finally, it produces workpapers, a deficiency report, and a remediation tracker with milestones and validation steps.

When to use it

Planning or executing SOX Section 404 testing cycles
Documenting control walkthroughs and information flows
Performing sample selection and attribute testing
Assessing and classifying control deficiencies
Coordinating remediation and validation testing

Best practices

Keep risk and control matrices up to date before testing
Document sampling rationale and all evidence in workpapers
Use consistent severity criteria for deficiency classification
Coordinate findings and timelines with external auditors early
Assign remediation owners and track milestones until closure

Example use cases

Run control walkthroughs and auto-generate process narratives and control point maps
Select statistically valid samples and document sample methodology
Execute tests of operating effectiveness and collect evidence in structured workpapers
Classify identified exceptions into control deficiency, significant deficiency, or material weakness
Track remediation plans, assign owners, and validate fixes with follow-up testing

FAQ

What inputs does the skill require?

Provide a control inventory, risk assessment or mapping, and a testing plan (including populations and control owners).

Can it generate auditor-ready workpapers?

Yes — it produces structured testing workpapers, evidence logs, and deficiency reports suitable for internal and external audit review.