132 N.H. 133, 562 A.2d 187 (N.H. 1989)
Centronics Corp. v.
Does the implied covenant of good faith and fair dealing require a buyer to authorize release of escrowed funds notwithstanding unresolved, timely asserted indemnity claims made with reasonable detail under the parties' contract; or, put differently, may the covenant be used to limit rights the contract expressly confers?
New Hampshire law implies a covenant of good faith and fair dealing in every contract. The covenant protects the parties' justified expectations by requiring that discretionary contractual power be exercised honestly and in a manner consistent with the agreement's purposes, not arbitrarily, capriciously, or to destroy the other party's right to the fruits of the contract. However, the covenant is not an independent source of duties divorced from the contract and cannot be invoked to rewrite, negate, or add to unambiguous terms to which the parties agreed. Its content and operation depend on the particular contractual context, including whether the contract confers discretion and the extent to which the parties have specified procedures and conditions.
No breach of the implied covenant occurred. Because the contract expressly permitted Genicom to assert indemnity claims against the escrow during the claims period and to withhold authorization for release pending resolution of those claims—provided the claims were timely and described with reasonable detail—Genicom's refusal to release funds was within its contractual rights. The implied covenant did not impose additional duties that would contradict these clear terms.
Centronics is a leading case on the implied covenant of good faith and fair dealing. It teaches that: (1) the covenant is universal but contextual; (2) it polices the exercise of contractual discretion to protect justified expectations; and (3) it cannot be used to rewrite unambiguous terms or to undo deliberate risk allocations such as escrows and indemnities. For law students, the case is a blueprint for exam and practice analysis: identify whether the contract confers discretion, determine the contractual checks on that discretion, and assess whether the challenged conduct is arbitrary or inconsistent with the contract's purpose—without contradicting clear text. The opinion is also a reminder that remedies for alleged bad faith are ordinarily contractual, not tort-based, in commercial settings.