Practical guide

How to draft the exception of non-performance (eccezione di inadempimento) with AI

3 min read · Updated September 2026 · Editorial oversight: Avv. Federico Papa

The 'eccezione di inadempimento' (exception of non-performance) is a self-defense remedy for reciprocal contracts, allowing a party to freeze the counterparty's claim. Its legitimacy depends on adherence to the principle of good faith and proportionality between breaches. Using edit.legal allows for structuring the defense by correctly balancing the facts of the case with statutory requirements.

In brief

The exception of non-performance under Art. 1460 of the Italian Civil Code allows a party to refuse performance if the counterparty fails to fulfill or offer simultaneous fulfillment of their own obligation. The refusal is unlawful if, considering the circumstances, it violates good faith: a minor breach by one party does not justify the suspension of an essential performance. edit.legal assists professionals in assessing causality and the gravity of the counterparty's breach to draft effective defensive pleadings or formal notices.

The steps

  1. 1.

    Verification of reciprocal obligations

    The first step is ensuring the obligations are linked by a 'nesso sinallagmatico' (synallagmatic link), meaning one performance justifies the other. The Art. 1460 defense applies only to reciprocal contracts. You must verify if performance deadlines have expired for both parties or if the counterparty was required to perform first. If the contract stipulates different timelines, the exception is available only to the party whose performance is due later or simultaneously.

  2. 2.

    Assessment of good faith and proportionality

    The exception cannot be raised if the refusal to perform contradicts 'buona fede' (good faith). This implies a proportionality test: the counterparty's breach must be sufficiently serious to justify suspending one's own performance. A minor or merely secondary breach by the counterparty does not authorize the refusal of a primary obligation. edit.legal can assist in comparing the importance of both performances based on the specific contractual clauses.

  3. 3.

    Procedural or out-of-court framing

    The 'eccezione d'inadempimento' can be drafted in an out-of-court formal notice to prevent 'mora debendi' (default), or as an 'eccezione in senso stretto' (defendant's affirmative defense) within a statement of defense. If raised in litigation, the judge cannot recognize it 'ex officio', so it must be pleaded specifically and timely. You must clearly state which of the counterparty's performances is missing and how it impacts the contractual balance.

  4. 4.

    Structuring the evidence of breach

    While the burden of proof follows general criteria, the party raising the exception must allege the counterparty's breach. It is necessary to document the source of the obligation (the contract) and describe the counterparty's failure to act or defective performance. In cases of partial performance, the exception should generally be limited to the portion of the performance still due, unless the defect renders the entire performance useless to the creditor.

  5. 5.

    Analysis of restrictive clauses (Art. 1462 c.c.)

    Before proceeding, it is crucial to verify the absence of a 'solve et repete' clause. Pursuant to Art. 1462 c.c., such clauses prevent a party from raising exceptions to avoid or delay performance. If present and valid, the exception of non-performance cannot be used to suspend payment, although the right to subsequently sue for restitution or damages remains reserved.

Legal basis: Art. 1460 c.c.Art. 1453 c.c.Art. 1455 c.c.Art. 1462 c.c.Art. 1375 c.c.

Mistakes to avoid

  • Invoking the exception for minor or irrelevant breaches by the counterparty.
  • Forgetting to check for clauses limiting the right to raise exceptions (solve et repete).
  • Raising the exception when the deadlines for one's own performance have not yet expired.
  • Failing to correctly specify the unfulfilled performance in the legal document.

Frequently asked questions

Can the exception of non-performance be recognized ex officio?

No, it is an 'eccezione in senso stretto', meaning it must be timely raised by the interested party in the first available defensive pleading.

What happens if the exception violates good faith?

The refusal to perform is considered unlawful, resulting in the party who suspended performance falling into default (mora) and being liable for damages.

Is it possible to raise the exception in case of partial performance?

Yes, but only if the refusal of one's own performance is proportionate to the gravity of the portion of the obligation not fulfilled by the counterparty.

Avv. Federico Papa
Editorial oversight: Avv. Federico Papa·ICAMContent drafted with AI support and subject to editorial source checks. Despite these controls, inaccuracies may remain: reports and rectification requests are welcome. Report a correction

What edit.legal automates

  • —Identification of the synallagmatic link between obligations starting from the contract text.
  • —Calculation of the balance between performances to support arguments on good faith.
  • —Automated drafting of specific suspension clauses for out-of-court notices or pleadings.

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