Cost-Plus-Incentive-Fee (CPIF)

Definition

Cost-Plus-Incentive-Fee (CPIF) is a cost-reimbursement contract type with a target cost, target fee, minimum fee, maximum fee, and a fee-adjustment formula (share ratio) tied to actual cost, technical performance, or schedule. The share ratio (e.g., 70/30 government/contractor above target cost) means the contractor recovers some but not all cost overruns, preserving incentives for cost control while sharing uncertainty. FAR Part 16 governs its structure.

Why It Matters

CPIF aligns contractor and government incentives better than CPFF, which is why it's favored on major DoW weapon-system developments. But it requires strong cost estimating and performance-metric design, because a poorly calibrated target cost can hand the contractor a windfall or drive it toward unnecessary risk-taking. Incentive design is one of the most negotiated elements of any CPIF award.

Example

A missile-component contract has a target cost of $30M, target fee of $3M, 80/20 share ratio, minimum fee $1M, maximum fee $5M. Contractor delivers at $27M actual cost (a $3M underrun). Its earned fee becomes $3M + 0.2 × $3M = $3.6M, for total revenue of $30.6M.

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