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Cost Accounting Standards

Cost Accounting Standards (CAS) are a set of 19 standards and rules promulgated by the CAS Board to ensure uniformity and consistency in cost accounting practices for government contractors. CAS applies to negotiated contracts above certain thresholds.

Key Topics

Full vs. modified CAS coverage
CAS Disclosure Statement (DS-1/DS-2)
CAS 401 - Consistency in estimating, accumulating, and reporting
CAS 402 - Consistency in allocating costs
CAS 405 - Accounting for unallowable costs
CAS 410 - Allocation of G&A expenses
CAS 418 - Allocation of direct and indirect costs
Cost impact analysis for CAS changes

Sample Questions

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When does full CAS coverage apply vs. modified coverage?

What are the requirements for a CAS Disclosure Statement?

How does CAS 410 affect G&A allocation?

What triggers a CAS noncompliance finding?

How do I prepare a cost impact statement for a CAS change?

What is the difference between CAS 418 and FAR 31.203?

Key References

48 CFR 9903
CAS Board Rules and Regulations
CAS 401
Consistency in Estimating and Reporting
CAS 405
Accounting for Unallowable Costs
CAS 410
Allocation of Business Unit G&A
CAS 418
Allocation of Direct and Indirect Costs
FAR 30.6
CAS Administration

Related Domains

DCAA
Indirect Costs
FAR Part 31
DCAA CAM

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