What's Happening?
The Cost Accounting Standards Board (CAS Board) has implemented significant changes to its coverage thresholds, marking the biggest overhaul in over two decades. These reforms, effective October 1, 2026, stem from the 2026 National Defense Authorization
Act (NDAA). The CAS applicability threshold has been raised from $2.5 million to $35 million, meaning contracts and subcontracts below $35 million are now exempt from Cost Accounting Standards (CAS). This change is expected to reduce the number of CAS-covered business segments by approximately 60% while maintaining over 90% of current CAS-covered dollars. Additionally, the threshold for full CAS coverage has doubled from $50 million to $100 million. This increase is projected to reduce the number of entities subject to full coverage by nearly 30%, from about 773 to 564, while still covering over 99% of the dollars. The rule also increases agency waiver authority from $15 million to $100 million and clarifies CAS coverage for indefinite delivery contracts, differentiating between multiple-award and single-award contracts.
Why It's Important?
These changes are particularly significant for mid-tier government contractors, offering substantial relief from regulatory burdens. Full CAS coverage is considerably more intrusive, requiring extensive changes to processes, procedures, and controls, and compliance with numerous standards. By raising the full CAS coverage threshold, many mid-tier contractors will now fall under modified CAS, which is less onerous, requiring compliance with only four central standards that are often already aligned with Federal Acquisition Regulation (FAR) requirements. This shift aims to maximize the transparency benefits of CAS rules while minimizing the regulatory burden on businesses. The introduction of an 'off-ramp' mechanism is also crucial, allowing existing contractors with contracts above the old $50 million threshold but below the new $100 million threshold to transition to modified CAS coverage. This prevents existing contractors from being at a disadvantage compared to new market entrants who would immediately benefit from the higher thresholds, fostering a more equitable competitive landscape in government procurement.
What's Next?
The new rule becomes effective on October 1, 2026, coinciding with the start of the government's next fiscal year. Contractors should immediately assess their current CAS status and evaluate how these changes will impact their existing and future contracts and subcontracts. For eligible contractors, the 'off-ramp' mechanism allows for the transition of affected contracts from full to modified CAS coverage at the start of their business unit's next full cost accounting period, beginning on or after October 1. This means some contractors may transition immediately, while others will do so later in 2027, depending on their fiscal year. Contractors must ensure they have no unresolved CAS non-compliances and do not independently meet the $100 million threshold to utilize this off-ramp. They also need to be mindful of potential unilateral changes based on cost accounting practices affected by the transition mechanisms.
Beyond the Headlines
The CAS Board's decision to incorporate industry feedback, particularly regarding the 'off-ramp' mechanism, highlights a responsive approach to regulatory reform. This move reflects a broader effort to streamline government procurement processes and reduce administrative overhead for contractors, which could lead to increased participation from a wider range of businesses in federal contracts. The differentiation in treatment for multiple-award versus single-award indefinite delivery contracts also reveals a nuanced understanding of contractual risks and government commitments. While industry advocated for a single standard, the CAS Board's rationale for separate treatment, citing vendor lock-in risks and higher ceiling value utilization in single-award contracts, underscores a balanced approach to maintaining competition and protecting government interests. This reform could set a precedent for future regulatory adjustments aimed at balancing oversight with efficiency in federal contracting.













