Trial Period: Legal Deadlines and Termination

Introduction

The trial period is a pivotal phase of the employment contract: it allows the employer to assess the employee's skills and the latter to appreciate his new employment 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 conditions for termination. Any failure to comply with these legal deadlines exposes the company to costly labor court disputes. In this article, we review the statutory 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 fixed by law since the 2008 reform (Law No. 2008-596 of June 25, 2008). They vary depending on the professional category of the employee hired on an indefinite-term contract (CDI).

Legal Durations for Indefinite-Term Contracts

• Workers and employees: 2 months

• Supervisory staff and technicians: 3 months

• Executives: 4 months

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

Special Case of Fixed-Term Contracts

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

Trial Period and Apprenticeship or Professionalization 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 termination is free for both parties without any particular formality. The professionalization contract follows the rules of the fixed-term or indefinite-term contract 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 sector agreement expressly authorizes it.

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

• The express agreement of the employee must be obtained before the expiration of the initial period.

Maximum Durations After Renewal

After renewal, the total durations may not exceed:

• Workers and employees: 4 months

• Supervisory staff and technicians: 6 months

• Executives: 8 months

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

The Notion of Fictitious Trial Period

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

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Notice Periods Upon Termination of the Trial Period

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

Notice Periods at the Employer's Expense

When it is the employer who terminates the trial period, it must comply with a notice whose duration varies depending on the employee's seniority in the company:

• Less than 8 days of service: 24 hours

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

• Between 1 and 3 months of service: 2 weeks

• Beyond 3 months of service: 1 month

These periods are calculated in calendar days. Non-compliance with the notice period does not result in the nullity of the termination but entitles the employee to compensatory damages equal to the salaries he would have received during this period.

Notice Periods at the Employee's Expense

When it is the employee who takes the initiative to terminate the trial period, he must notify the employer:

• 48 hours before his 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. Termination notification may be formalized by registered mail with acknowledgment of receipt or, increasingly, by qualified electronic signature, which provides a certain date and proof that can be invoked.

Consequences of Non-Compliance with Deadlines

Non-compliance with notice periods by the employer constitutes a fault likely to engage its contractual liability. Since the decision of the social chamber of the Court of Cassation on 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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Formality of Termination and Securing Through Electronic Signature

While the law does not require any particular form for the termination of the trial period — it can theoretically be verbal — prudence recommends a written, 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 the notification. A time-stamped written document avoids any dispute over the starting point.

• Proof of unequivocal intent: the Court of Cassation accepts verbal termination, but proof of it is difficult to provide if the employee contests it.

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

Integration into a Digital HR Process

Electronic signature solutions dedicated to human resources make it possible to automate the sending, signing and archiving of documents related to the trial period: renewal letter, employee's express agreement, termination notification. The probative 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 ROI calculator for electronic signature makes it possible to precisely quantify the HR productivity gains linked to the dematerialization of these formalities.

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Points of Attention Particular to 2026

Interaction Between Trial Period and Sick Leave

The suspension of the employment contract for prolonged illness extends the trial period accordingly, unless a collective agreement provides otherwise. An employee absent for 15 days due to illness sees his 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 Termination of the Trial Period

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 sector agreements provide that the non-compete clause does not apply in case of termination during the trial period, subject to an express waiver within the conventional deadlines.

Trial Period and Confidentiality Agreement

When an employee has had access to sensitive information from the start of his employment in 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 primarily governed by articles L.1221-19 to L.1221-26 of the Labor Code, derived from Law No. 2008-596 of June 25, 2008 on modernizing the labor market. These provisions establish maximum durations, renewal conditions and notice periods. They have the force of public order, meaning that no subsequent individual or collective agreement may derogate from them in a manner unfavorable to the employee — except for collective agreements prior to the law expressly maintained by the law.

Article L.1221-20 defines the trial period as allowing the employer to assess the employee's skills at work, and the employee to determine whether the functions suit him. Its presence in the contract is not automatic: it must be expressly stipulated, otherwise the contract is considered final from the time of 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 conditions 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 for illness postpones the end of the trial period.

• Soc., January 23, 2013, No. 11-23.428: renewal without the express agreement of the employee is not enforceable.

Probative Value of Electronic Documents

In accordance with article 1366 of the Civil Code, an electronic writing has the same probative force as a paper writing, provided that the identity of the person from whom it emanates is duly assured and that the document is established and preserved under conditions such as to guarantee its integrity. Article 1367 of the Civil Code clarifies that electronic signature consists in the use of a reliable process of identification guaranteeing its link with the deed to which it is attached.

The eIDAS Regulation (EU) No. 910/2014, applicable under 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 legal presumption of reliability.

GDPR and Candidate Data

Personal data collected during the trial period (evaluations, exchanges, HR documents) is subject to Regulation (EU) 2016/679 (GDPR). The employer must inform the employee of the processing of his data, its duration of retention and his rights of access and deletion. The retention period for documents relating to termination is aligned with the labor court limitation period, fixed at two years since the law of June 14, 2013.

Usage Scenarios: Formalizing the Trial Period with Electronic Signature

Scenario 1 — An SME in the industrial sector of 150 employees with high operator turnover

An SME in the industrial sector hires an average of 40 operators and supervisory staff per year. Each recruitment generates several documents to be signed: 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 the HR decision and actual document signature reached 4 business days, exposing the company to the risk of not meeting statutory notice periods.

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

Scenario 2 — A management consulting firm managing executive profiles with high turnover

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

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 his renewal agreement, with a response period of 5 days. In the absence of signature, the trial period is not renewed. This process has eliminated any dispute related to renewal since its implementation, representing an estimated savings of between 8,000 and 15,000 euros in legal advice and litigation costs per year, according to the ranges published by HR sector benchmarks.

Scenario 3 — A Public Hospital Group Managing Multiple Establishments

A public hospital group of approximately 1,200 agents hires hundreds of contract-based employees per year for nursing and administrative positions. Although public law is not subject to the Labor Code, trial periods for contract employees are governed by Decree No. 86-83 of January 17, 1986, which provides for comparable durations and termination procedures. The dematerialization of end-of-trial-period letters (functional equivalent of trial period termination) reduced processing time from 6 days to 1 business day, while guaranteeing the traceability required by audits of the regional Court of Accounts.

Conclusion

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

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

Do you wish to secure your HR processes from the trial period onwards? Try Certyneo free of charge and discover how our eIDAS-compliant electronic signature platform simplifies the management of your employment contracts end-to-end.