The case, explained
Labor Cassation: when passive on-call duty becomes working time
7 min read · Updated October 2026 · Editorial oversight: Avv. Federico Papa
The distinction between simple availability and actual working time returned to the center of legal debate following developments on October 2, 2024. According to reports in the specialized press, including Il Sole 24 Ore's Quotidiano del Lavoro, the Court of Cassation has further refined the criteria for determining when constraints imposed on workers transform waiting time into actual work performance that must be fully remunerated. The matter is set to have a significant impact on shift management in critical sectors such as maintenance and healthcare. The core issue lies in the intensity of temporal and spatial constraints: if an employee cannot freely manage their personal time due to overly tight response windows, the nature of on-call duty changes radically. This article reconstructs the facts and applicable legal principles, illustrating through a twin case how companies can prevent costly litigation and how workers can enforce their rights to rest and proper remuneration.

In brief
The article analyzes the recent position of the Supreme Court of Cassation on passive on-call duty. If temporal constraints (very short response times) and spatial limits objectively restrict personal life, on-call duty must be classified as working time. The provisions of Legislative Decree 66/2003 and Directive 2003/88/EC are examined, highlighting the risk of back pay and contribution liability for employers imposing overly restrictive obligations during availability periods.
The fact
The case arises from appeals filed by specialized technicians against their employers, who were accused of abusing on-call arrangements. According to reports in Quotidiano del Lavoro, the appellants were required to remain available throughout night and holiday shifts, with the obligation to reach the intervention site within 15 minutes of the call. According to the employees, this constraint rendered any social or personal activity impossible.
The procedural path saw conflicting outcomes in the lower courts, culminating in an appeal to the Labor Section of the Supreme Court of Cassation. In its most recent orders, the Court quashed the lower court decisions that had denied on-call duty the status of working time, establishing that trial judges must verify whether the restrictions imposed are incompatible with rest. This is not a final order for payment, but a remand requiring a fresh evaluation of the facts based on strict European legal standards.

The rules at play
The subject is governed primarily by Legislative Decree No. 66/2003, which implements European directives on the organization of working time. Article 1 defines working time as any period during which the worker is at the employer's disposal, while rest is defined residually as any period that is not working time. Directive 2003/88/EC provides the interpretative framework for national courts, establishing a binary approach that leaves no middle ground between work and rest.
Under civil law, Articles 2107 and 2108 of the Civil Code govern maximum working hours and remuneration for overtime. The violation of these rules leads to the reclassification of the service: if on-call duty constitutes working time, the employer must pay full remuneration rather than a mere on-call allowance, in addition to settling unpaid social security contributions.
What the jurisprudence says
The position of Italian case law has aligned with the principles set out by the Court of Justice of the European Union (CJEU). The core principle is the intensity of the constraint: on-call duty does not constitute working time if the employee can engage in personal activities while remaining reachable. However, if reaction times are so brief as to force the worker to remain within a narrow area or prevent them from leaving home, the status of actual work applies.
The courts have clarified that there is no legally fixed minute threshold; rather, courts must evaluate the frequency of calls and the extent of spatial restrictions. If the worker suffers limitations that objectively and significantly impair their ability to manage their own time, the waiting period ceases to be rest. Case law emphasizes that the burden of proof often rests on the worker, who must demonstrate the actual restriction of their freedom during the shift.
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What it teaches professionals
- Corporate counsel should advise clients to review contractually stipulated intervention response times, recommending thresholds exceeding 30-45 minutes to prevent reclassification.
- It is essential to log the actual frequency of callouts during shifts to substantiate claims of passive on-call duty.
- When drafting pleadings, counsel should consistently cite CJEU jurisprudence, as the Supreme Court of Cassation applies EU law as a primary source of authority in this domain.
References: D.Lgs. n. 66/2003Direttiva 2003/88/CEArt. 2107 Codice CivileArt. 2108 Codice Civile
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Frequently asked questions
Is there a minimum intervention time fixed by law?
No, the law does not prescribe a specific response time. The Court of Cassation evaluates on a case-by-case basis whether the time frame imposed by the employer objectively prevents the worker from attending to personal life.
If on-call duty is considered work, am I entitled to overtime?
In general, if standard working hours (typically 40 hours per week) are exceeded due to counting on-call duty as actual working time, those hours must be remunerated as overtime, including any applicable surcharges under collective bargaining agreements.
What must a company do to comply?
It is advisable to extend intervention response times and ensure that workers are not subject to overly restrictive spatial constraints, while always guaranteeing compliance with daily rest periods of 11 consecutive hours.
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