Trial Period: Legal Timeframes and Termination

Introduction

The trial period is a pivotal phase of the employment contract: it allows the employer to assess the employee's competencies and allows the latter to appreciate their new employment conditions. Governed by Articles L.1221-19 to L.1221-26 of the Labour Code, it follows precise rules regarding duration, renewal and termination conditions. Any failure to comply with these legal timeframes exposes the company to costly labour disputes. In this article, we review the statutory durations applicable according to professional category, renewal procedures, mandatory notice periods and best practices for formalising and securing the termination of the trial period.

---

Statutory Durations of the Trial Period under Labour Law

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

Statutory Durations for Permanent Contracts

• Workers and employees: 2 months

• Supervisory staff and technicians: 3 months

• Executives: 4 months

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

Special Case of Fixed-Term Contracts (FTC)

For FTCs, the duration of the trial period is proportional to the contract duration: one day per week up to two weeks for contracts of six months or less, and one month for contracts exceeding six months. Electronic signature of employment contracts today makes it possible to immediately formalise these clauses, timestamped and archived in a way that provides proof.

Trial Period and Apprenticeship or Professional Development 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 professional development contract, on the other hand, follows the rules of the FTC or permanent contract depending on its nature.

---

Renewal of the Trial Period: Conditions and Formalities

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

• A collective agreement or sectoral agreement expressly authorises 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, total durations cannot exceed:

• Workers and employees: 4 months

• Supervisory staff and technicians: 6 months

• Executives: 8 months

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

The Notion of Fictitious Trial Period

The jurisprudence of the Court of Cassation regularly sanctions employers who abusively extend the trial period to defer the protections linked to dismissal. An excessively long trial period or renewed without a collective basis may be reclassified as dismissal without just cause.

---

Notice Periods upon Termination of the Trial Period

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

Notice Periods Incumbent on the Employer

When the employer terminates the trial period, they must observe a notice period whose duration varies according to the employee's length of service with 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

• Over 3 months of service: 1 month

These periods are calculated in calendar days. Failure to comply with the notice period does not invalidate the termination but gives the employee the right to compensation equal to the salaries they would have received during this period.

Notice Periods Incumbent on the Employee

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

• 48 hours before departure

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

These periods are considerably shorter, reflecting the freedom of mobility granted to the employee during the trial period. Termination notification can be formalised by registered letter with acknowledgement of receipt or, increasingly, by qualified electronic signature, which provides a certain date and proof that can be relied upon.

Consequences of Non-Compliance with Notice Periods

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

---

Formalities of Termination and Securing through Electronic Signature

Whilst 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 departments and corporate lawyers increasingly favour documented processes for several reasons.

Why Formalise Termination in Writing?

• Proof of notification date: the notice period runs from receipt of notification. A timestamped written document avoids any dispute over the starting point.

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

• Maintaining traceability: secure electronic archives allow any document to be found instantly in the event of litigation.

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, express agreement of the employee, termination notification. The probative value of an advanced or qualified electronic signature within the meaning of eIDAS Regulation (EU) No. 910/2014 is recognised 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 allows precise quantification of HR productivity gains related to the dematerialisation of these formalities.

---

Particular Points of Attention in 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 their trial period postponed by 15 calendar days. This rule, confirmed by the Court of Cassation (Soc., 28 April 2011, No. 09-40.487), is often overlooked by employers.

Non-Competition Clause and Trial Period Termination

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

Trial Period and Confidentiality Agreement

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

Legal Framework Applicable to the Trial Period

Labour Code

The trial period is principally governed by Articles L.1221-19 to L.1221-26 of the Labour Code, resulting from Law No. 2008-596 of 25 June 2008 on the modernisation of the labour market. These provisions set maximum durations, conditions for renewal and notice periods. They have the force of public policy, which means that no subsequent individual or collective agreement can derogate from them to the detriment of the employee — except for collective agreements prior to the law expressly maintained by it.

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

Jurisprudence of the Court of Cassation

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

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

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

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

Probative Value of Electronic Documents

In accordance with Article 1366 of the Civil Code, electronic writing has the same probative force as paper writing, provided that the identity of the person from whom it originates is duly assured and the document is drawn up and preserved in conditions capable of guaranteeing its integrity. Article 1367 of the Civil Code clarifies that electronic signature consists in the use of a reliable identification process guaranteeing its link with the deed 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 (evaluations, exchanges, 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 access and deletion rights. The retention period for documents relating to termination is aligned with the limitation period for labour claims, fixed at two years since the Law of 14 June 2013.

Use Scenarios: Formalising the Trial Period with Electronic Signature

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

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

By deploying an advanced electronic signature solution integrated into its HR management system, the SME reduced this timeframe to under 2 hours. Each document is timestamped, 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 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, the majority of whom are executives, experiences high turnover (approximately 25% per year). The trial period for executives is 4 months, renewable once up to 8 months subject to collective agreement approval. The firm had encountered two labour disputes in three years related to poorly formalised renewals: employee agreement obtained verbally or after expiry of the initial period.

Since adopting a digital workflow with electronic signature, each step is automatically triggered 15 days before expiry: 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 disputes related to renewal since implementation, representing estimated savings between 8,000 and 15,000 euros in legal advice and dispute resolution 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 contractual public law employees each year for healthcare and administrative positions. Although public law is not subject to the Labour Code, trial periods for contract employees are governed by Decree No. 86-83 of 17 January 1986, which provides comparable durations and termination procedures. The dematerialisation of probationary period termination letters (functional equivalent of trial period termination) made it possible to reduce processing time from 6 days to 1 working 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 agreement, mandatory notice periods calculated day by day. Any procedural error can turn into costly labour litigation, with potential reclassification as dismissal without just cause.

The good news is that the dematerialisation of HR processes — and notably the use of electronic signature — now allows these formalities to be automated whilst guaranteeing their probative value. Each document is timestamped, archived and enforceable.

Would you like 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.