Trial Period: Legal Deadlines and Termination

Introduction

The trial period is a key phase of the employment contract: it allows the employer to assess the employee's skills and the latter to appreciate their new working conditions. Governed by articles L.1221-19 to L.1221-26 of the Labor Code, it is subject to precise rules regarding duration, renewal and termination conditions. Any failure to comply with these legal deadlines exposes the company to costly labor disputes. In this article, we review the legal durations applicable according to professional category, renewal procedures, mandatory notice periods and best practices for formalizing and securing the termination of the trial period.

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Legal Durations of the Trial Period under the Labor Code

The maximum durations of the trial period have been set by law since the 2008 reform (Law No. 2008-596 of June 25, 2008). They vary according to the professional category of the employee hired on an indefinite duration contract (CDI).

Legal Durations for Indefinite Duration Contracts

• Workers and employees: 2 months

• Supervisors and technicians: 3 months

• Managers: 4 months

These durations are legal maxima. A collective agreement or sectoral agreement may provide for shorter durations — never longer, except for a prior collective provision expressly maintained before the 2008 law. It is therefore necessary to systematically consult the applicable collective agreement before drafting the employment contract.

Special Case of Fixed-Term Contracts (CDD)

For fixed-term contracts, the duration of the trial period is proportional to the contract duration: one day per week limited to two weeks for contracts of six months or less, and one month for contracts exceeding six months. The electronic signature of employment contracts now makes it possible to immediately formalize these clauses, time-stamped and archived in an evidentially probative manner.

Trial Period and Professional Development or Apprenticeship Contracts

Apprenticeship contracts do not include a trial period in the strict sense. However, the first two months of the contract constitute a period during which either party may terminate the contract freely without any particular formality. The professional development contract, for its part, follows the rules of fixed-term or indefinite duration contracts depending on its nature.

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Renewal of the Trial Period: Conditions and Formalities

Renewal of the trial period is only possible if three cumulative conditions are met:

• A collective agreement or sectoral agreement expressly authorizes it.

• The employment contract must explicitly mention the possibility of renewal from its conclusion.

• Express consent of the employee must be obtained before the expiration of the initial period.

Maximum Durations after Renewal

After renewal, total durations may not exceed:

• Workers and employees: 4 months

• Supervisors and technicians: 6 months

• Managers: 8 months

These ceilings are of public policy: no individual agreement may exceed them. Renewal carried out without express consent from the employee or beyond these durations will be reclassified by labor courts, exposing the employer to damages. To secure this consent, the use of a tool for electronic signature compliant with the eIDAS regulation guarantees irrefutable traceability.

The Notion of Fictitious Trial Period

The case law of the Court of Cassation regularly sanctions employers who abusively extend the trial period to defer the protections associated with dismissal. An excessively long trial period or one renewed without a collective agreement basis may be reclassified as dismissal without real and serious cause.

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Notice Periods when Terminating the Trial Period

Termination of the trial period is free: neither the employer nor the employee needs to justify it. However, mandatory notice periods apply since the 2008 law.

Notice Periods the Responsibility of the Employer

When the employer terminates the trial period, they must observe a notice period whose duration varies depending on the employee's length of service in the company:

• Less than 8 days of presence: 24 hours

• Between 8 days and 1 month of presence: 48 hours

• Between 1 and 3 months of presence: 2 weeks

• Beyond 3 months of presence: 1 month

These periods are calculated in calendar days. Failure to comply with the notice period does not result in the nullity of termination but entitles the employee to compensation equal to the wages they would have earned during this period.

Notice Periods the Responsibility of the Employee

When the employee takes the initiative to terminate the trial period, they must notify the employer:

• 48 hours before their departure

• 24 hours if the presence in the company is less than 8 days

These periods are significantly shorter, reflecting the freedom of mobility granted to the employee during the trial period. The termination notice can be formalized by registered mail with return receipt or, increasingly, by qualified electronic signature, which provides a certain date and opposable proof.

Consequences of Non-Compliance with Deadlines

Failure to observe notice periods by the employer constitutes a fault liable to engage its contractual liability. Since the decision of the social chamber of the Court of Cassation of November 5, 2014 (No. 13-18.114), it is established that termination notified outside business hours and days may be deemed abusive if it reveals an intention to harm.

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Formalities of Termination and Securing through Electronic Signature

Although the law does not impose any particular form for terminating the trial period — it could theoretically be verbal — prudence recommends a dated and signed document. In practice, HR managers and corporate lawyers increasingly favor documented processes for several reasons.

Why Formalize Termination in Writing?

• Proof of notification date: the notice period runs from receipt of notification. A time-stamped document avoids any dispute about the starting point.

• Proof of unequivocal intent: the Court of Cassation admits verbal termination, but proving it is difficult if the employee contests.

• Preservation of traceability: secure electronic archives make it possible to instantly retrieve any document in case of litigation.

Integration into a Digital HR Process

Electronic signature solutions dedicated to human resources make it possible to automate the sending, signature and archiving of documents related to the trial period: renewal letter, express consent of the employee, termination notice. The evidentiary value of an advanced or qualified electronic signature within the meaning of eIDAS Regulation (EU) No. 910/2014 is recognized by French courts, as recalled in the comprehensive guide to electronic signature in business.

For companies managing many simultaneous recruitments, the use of a calculator for the ROI of electronic signature makes it possible to precisely quantify the HR productivity gains associated with dematerializing these formalities.

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Points of Particular Attention in 2026

Interaction between Trial Period and Sick Leave

Suspension of the employment contract due to prolonged illness extends the trial period by the same amount, unless a collective agreement provides otherwise. An employee absent for 15 days due to illness has their trial period postponed by 15 calendar days. This rule, confirmed by the Court of Cassation (Soc., April 28, 2011, No. 09-40.487), is often unknown to employers.

Non-Compete Clause and Trial Period Termination

Termination of the trial period ends the employment contract but does not necessarily erase a non-compete clause if it has been validly stipulated. However, many sectoral agreements provide that the non-compete clause does not apply in case of termination during the trial period, subject to express waiver within the conventional deadlines.

Trial Period and Confidentiality Agreement

When an employee has had access to sensitive information from their entry into the company, termination of the trial period does not eliminate confidentiality obligations. These commitments, ideally signed from day one via a secure electronic signature solution, remain enforceable after the end of the contractual relationship.

Legal Framework Applicable to the Trial Period

Labor Code

The trial period is mainly governed by articles L.1221-19 to L.1221-26 of the Labor Code, stemming from Law No. 2008-596 of June 25, 2008 on modernization of the labor market. These provisions set maximum durations, renewal conditions and notice periods. They have the status of public policy, which means that no subsequent individual or collective agreement may derogate from them in a manner unfavorable to the employee — except collective agreements prior to and expressly maintained by law.

Article L.1221-20 defines the trial period as allowing the employer to assess the employee's skills in their work, and the employee to appreciate whether the functions suit them. Its presence in the contract is not automatic: it must be expressly stipulated, otherwise the contract is deemed definitive from hiring.

Case Law of the Court of Cassation

The social chamber of the Court of Cassation has rendered several structuring decisions:

• Soc., November 5, 2014, No. 13-18.114: termination notified under vexatious circumstances may constitute a fault causing distinct harm, even if the termination itself is free.

• Soc., April 28, 2011, No. 09-40.487: suspension of the contract due to illness postpones the end of the trial period.

• Soc., January 23, 2013, No. 11-23.428: renewal without express employee consent is unenforceable.

Probative Value of Electronic Documents

In accordance with article 1366 of the Civil Code, electronic writing has the same evidentiary force as paper writing, provided that the identity of the person from whom it emanates is duly assured and that the document is drawn up and retained in conditions likely to guarantee its integrity. Article 1367 of the Civil Code clarifies that electronic signature consists of the use of a reliable identification procedure guaranteeing its link with the act to which it is attached.

The eIDAS Regulation (EU) No. 910/2014, applicable in French law, establishes three levels of electronic signature (simple, advanced, qualified). For common HR documents such as trial period renewal or termination letters, an advanced electronic signature is generally sufficient. Qualified signature, compliant with ETSI EN 319 132 standards and issued by a qualified trust service provider (QTSP), offers the highest presumption of reliability.

GDPR and Candidate Data

Personal data collected during the trial period (assessments, communications, HR documents) are subject to Regulation (EU) 2016/679 (GDPR). The employer must inform the employee of the processing of their data, its retention duration and their rights of access and deletion. The retention duration for documents related to termination is aligned with the labor court statute of limitations period, set at two years since the law of June 14, 2013.

Use Scenarios: Formalizing the Trial Period with Electronic Signature

Scenario 1 — An Industrial SME with 150 Employees, High Operator Turnover

An industrial SME hires on average 40 operators and supervisors per year. Each recruitment generates several documents to sign: employment contract with trial period clause, internal regulations, confidentiality agreement, and, where applicable, renewal or termination letter. With a paper process, the average time between HR decision and actual document signature was 4 business days, exposing the company to the risk of not complying with mandatory notice periods.

By deploying an advanced electronic signature solution integrated into its HRIS, the SME reduced this deadline to less than 2 hours. Each document is time-stamped, automatically archived and accessible in case of dispute. The error rate on notice periods fell to zero over the 18 months following deployment. According to HR department estimates, the productivity gain represents approximately 1.5 full-time equivalent per year.

Scenario 2 — A Management Consulting Firm Managing High-Turnover Manager Profiles

A consulting firm with 80 consultants, mostly managers, experiences high turnover (approximately 25% per year). The trial period for managers is 4 months, renewable once up to 8 months subject to sectoral agreement. The firm had encountered two labor disputes over three years related to poorly formalized renewals: employee consent obtained verbally or after expiration of the initial period.

Since adopting a digital workflow with electronic signature, each step is automatically triggered 15 days before the deadline: the employee receives an email proposing to electronically sign their renewal agreement, with a 5-day response period. In the absence of signature, the trial period is not renewed. This process has eliminated any litigation related to renewal since its implementation, representing estimated savings of between 8,000 and 15,000 euros in legal and litigation costs per year, according to ranges published by sectoral HR benchmarks.

Scenario 3 — A Public Hospital Group Managing Multiple Facilities

A public hospital group of approximately 1,200 employees hires several hundred contractors each year for healthcare and administrative positions. Although public law is not subject to the Labor Code, trial periods for public contractors are governed by Decree No. 86-83 of January 17, 1986, which provides comparable durations and termination procedures. Dematerialization of probationary period termination letters (functional equivalent of trial period termination) made it possible to reduce processing time from 6 days to 1 business day, while guaranteeing the traceability required by regional Court of Accounts audits.

Conclusion

The trial period is a precise legal mechanism that leaves no room for approximation: maximum durations governed by law, renewal subject to triple consent, mandatory notice periods calculated to the day. Any procedural error can turn into costly litigation, with reclassification as dismissal without real and serious cause.

The good news is that dematerialization of HR processes — and in particular the use of electronic signature — now makes it possible to automate these formalities while guaranteeing their evidentiary value. Each document is time-stamped, archived and enforceable.

Would you like to secure your HR processes from the trial period? Try Certyneo for free and discover how our eIDAS-compliant electronic signature platform simplifies the management of your employment contracts from start to finish.