Trial Period: Legal Duration and Termination

The trial period is one of the most practical — and most misunderstood — notions in French employment law. For the employer, it allows assessment of the skills of a newly recruited employee; for the employee, it offers the possibility to ensure the role matches their expectations. But this flexibility is governed by strict rules: maximum duration, renewal conditions, notice periods in case of termination. In 2026, with the generalisation of digital tools in human resources management, the formalisation of these steps — including via electronic signature for HR — becomes a compliance issue in its own right. This article provides a comprehensive overview of the legal framework for the trial period.

What is the trial period and why is it regulated?

The trial period is the initial phase of an employment contract during which each party can end the employment relationship without having to justify grounds or, in principle, pay termination compensation. It is fundamentally different from notice periods or resignation: it is not an ordinary contractual termination but a bilateral faculty expressly provided for by the Labour Code.

The requirement of express stipulation

According to Article L. 1221-23 of the Labour Code, the trial period — and the possibility of renewing it — must be expressly stipulated in the letter of engagement or in the employment contract. The absence of written mention deprives the employer of the faculty to rely on it. This principle is regularly reaffirmed by the Court of Cassation (notably Cass. soc., 25 November 2009, no. 08-43.008). In other words, a trial period is not presumed; it must be proven in writing.

Categories of employees concerned

The trial period may apply to all types of permanent contracts (CDI), but also to fixed-term contracts (CDD), with specific rules. For CDD, the duration is proportional to the total duration of the contract: one day per week up to two weeks for contracts under six months, and one month for contracts equal to or exceeding six months (Article L. 1242-10 of the Labour Code).

Legal duration of the trial period by professional category

For CDI, maximum durations are set by Article L. 1221-19 of the Labour Code. They vary according to the employee's professional category.

Maximum durations by category

The law distinguishes three categories:

• Workers and employees: 2 months

• Supervisory staff and technicians: 3 months

• Managers: 4 months

These durations constitute legal ceilings. A collective agreement or sectoral agreement may provide for shorter durations, but never longer than the legal maxima, unless a collective agreement predating the Act of 25 June 2008 provided for longer durations (Article L. 1221-22 of the Labour Code). It is therefore imperative to consult the applicable collective agreement before drafting any contract.

Renewal of the trial period

The trial period may be renewed only once, under two cumulative conditions (Article L. 1221-21):

• A sectoral agreement must expressly provide for it;

• Renewal must be formalised in writing and signed before expiry of the initial period.

The total duration (initial period + renewal) cannot exceed double the legal maximum durations, namely 4 months for workers/employees, 6 months for supervisory staff/technicians, and 8 months for managers. Any clause providing for renewal not provided for by a sectoral agreement is deemed unwritten.

Trial period termination: rules and notice periods

It is often on this ground that disputes arise. Termination of the trial period is free in principle, but it is regulated in its procedures since the Act of 25 June 2008 (Articles L. 1221-25 and L. 1221-26 of the Labour Code).

Notice periods to be observed

When the employer terminates the trial period, it must observe a notice period calculated based on the employee's length of service 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

• More than 3 months of service: 1 month

When the employee terminates the trial period, they must notify the employer 48 hours in advance (24 hours if their length of service is less than 8 days). Non-compliance with these periods by the employer entitles the employee to compensatory damages, without calling the validity of the termination itself into question.

Abusive termination of the trial period

Although the trial period allows termination without grounds, it must not be discriminatory or abusive. The Court of Cassation regularly sanctions terminations occurring for a reason unrelated to assessment of the employee's professional skills (maternity, state of health, exercise of union rights, etc.). Discriminatory termination exposes the employer to damages that may be substantial. Rigorous formalisation of communications — including through tools for electronic contract management in the business — enables preservation of probative evidence of the steps taken.

Special cases: illness, maternity and occupational accident

The trial period is suspended — but not interrupted — in case of illness, occupational accident or maternity/paternity leave. It resumes for the remaining duration upon the end of suspension. It is, however, forbidden to terminate the trial period during maternity leave (absolute protection) or during sick leave following an occupational accident.

Digital formalisation of the trial period in 2026

With the digital transformation of HR processes, the question of the legal validity of documents signed electronically — employment contracts, renewal amendments, termination notices — has become central.

Legal value of electronic signature on HR documents

Since Ordinance no. 2016-131 of 10 February 2016, the Civil Code recognises electronic signature as equivalent to handwritten signature, provided it makes it possible to identify its author and guarantees the integrity of the document (Articles 1366 and 1367 of the Civil Code). The European eIDAS Regulation (no. 910/2014) distinguishes three levels: simple, advanced and qualified. For employment contracts, advanced electronic signature is generally sufficient, but caution recommends a qualified solution for high-stakes documents. You can consult our complete guide on eIDAS 2.0 Regulation to understand the applicable compliance levels.

Time-stamping and traceability of acts

Termination of a trial period by electronic means raises the question of proof of the date of receipt. Use of a compliant electronic signature platform automatically generates a time-stamped audit log and proof of consent that can be relied upon. This is particularly useful for demonstrating compliance with notice periods in case of dispute. The complete guide to electronic signature details best practices to adopt for each type of document.

Integration with HR workflows

Many HR departments now integrate trial period management into automated work streams: generation of the initial contract, reminder of the period end date, renewal workflow or confirmation of end of trial. Use of an AI-powered contract generator makes it possible to produce documents compliant with applicable law, with pre-filling of legal durations according to the employee's category. This automation significantly reduces errors in contract drafting, the first source of labour disputes.

Trial period in atypical contracts and specific situations

Employee who has already worked in the company

When an employee is rehired after a temporary assignment or CDD, the duration of the previous assignment may be deducted from the trial period of the new contract, under the conditions provided in Article L. 1251-38 of the Labour Code for temporary work and Article L. 1243-11 for CDD. This rule prevents a company from systematically preceding its recruitments with temporary assignments to circumvent CDI protections.

Non-renewal clause and employment guarantee

Some collective agreements provide for protective clauses going beyond legal minimums: employment guarantee at the end of training, impossibility of stipulating a trial period for certain categories of employees, etc. It is imperative to analyse the applicable collective agreement before any contract drafting. Comparisons of electronic signature solutions now make it possible to integrate these parameters directly into contract generation workflows.

Legal framework applicable to the trial period

The trial period is mainly governed by Articles L. 1221-19 to L. 1221-26 of the Labour Code, deriving from Act no. 2008-596 of 25 June 2008 on the modernisation of the labour market. These provisions established for the first time uniform legal maximum durations, ending the diversity of prior collective practices.

Main reference texts:

• Article L. 1221-19 of the Labour Code: sets maximum durations of the trial period for CDI according to professional category (2, 3 or 4 months).

• Article L. 1221-21: regulates renewal conditions (sectoral agreement, prior written agreement).

• Article L. 1221-22: addresses relationships between legal and collective durations (primacy of most favourable terms for employees for agreements after 2008).

• Article L. 1221-23: establishes requirement of express stipulation in contract or letter of engagement.

• Articles L. 1221-25 and L. 1221-26: set notice periods for employer and employee respectively in case of termination.

• Article L. 1242-10: governs trial period for fixed-term contracts.

• Article L. 1251-38: provides for deduction of duration of temporary assignment from trial period of eventual CDI.

Concerning digital formalisation:

• Articles 1366 and 1367 of the Civil Code (deriving from Ordinance no. 2016-131 of 10 February 2016): recognise legal value of electronic signature and define its validity conditions (author identification, document integrity).

• Regulation (EU) no. 910/2014 called eIDAS: defines three levels of electronic signature (simple, advanced, qualified) and their evidential value within the European Union. For employment contracts, advanced electronic signature (AES) is generally sufficient, but qualified signature (QES) provides an irrebuttable presumption of authenticity.

• Regulation (EU) no. 2016/679 (GDPR): imposes data protection obligations in processing of employee files. Collection of biometric or identity data in the context of electronic signature must fall within a valid legal basis (contract performance, art. 6.1.b).

• ETSI EN 319 132 standards: technical specifications for advanced XML signatures (XAdES), applicable to eIDAS-compliant signature platforms.

Legal risks for the employer:

Non-compliance with notice periods exposes the employer to compensatory damages. Discriminatory termination engages tortious liability and may give rise to damages before the Labour Court, without capping in the Macron scale. Absence of express stipulation of the trial period deprives the employer of any faculty for simplified termination and exposes to requalification as dismissal without real and serious grounds.

Usage scenarios: the trial period in HR practice

Scenario 1 — An industrial SME with high recruitment volume

An industrial SME of about one hundred employees recruits on average 30 to 40 collaborators per year, mostly production technicians and supervisory staff. Before digitalisation of its HR processes, employment contracts were printed, signed in person, scanned and archived in physical files. Three-month trial periods were rarely systematically tracked: end dates were not automatically flagged, and two renewal cases had been formalised after expiry of the initial period — making them legally null.

By adopting an electronic signature solution integrated into its HRIS, the SME now automatically generates an alert 15 days before the end of each trial period. The HR manager triggers either a renewal amendment (signed electronically within legal periods) or a termination letter with automatic calculation of notice period. Labour disputes related to procedural defects were reduced by more than 80 % within two years, according to internal estimates consistent with ranges published by sector HR observatories.

Scenario 2 — A management consulting firm recruits an executive director

A specialised consulting firm of about twenty consultants recruits an associate director on a permanent contract. The legal trial period for managers is four months, renewable once if the applicable collective agreement provides for it — which is the case here (Syntec convention). The contract is drafted with an explicit renewal clause and signed electronically by both parties via an eIDAS advanced compliant platform.

After three and a half months, the fit between the candidate and the firm appears difficult. Management wishes to terminate the trial period. Thanks to the time-stamped audit log of the platform, the contract signature date is incontestable. Calculation of the notice period (1 month, the employee having more than 3 months of service) is automatically performed. Termination notice is sent electronically with integrated acknowledgement of receipt. No dispute ensues, the procedure being flawless.

Scenario 3 — A hospital group manages trial periods for its non-medical staff

A hospital group of about 800 beds employs several hundred non-medical personnel subject to the Labour Code (laboratory technicians, administrative staff, health care supervisory staff in the private sector). Manual management of trial periods generated costly oversights: some employees were confirmed without formal evaluation, others saw their trial period terminated outside the prescribed period.

Integration of a digital workflow for contract management enabled standardisation of contract templates by professional category (2 to 4 month durations pre-filled), automation of period end reminders and centralisation of archiving of signed documents. The administrative time devoted to trial period management decreased by about 60 %, freeing HR teams for higher value-added tasks.

Conclusion

The trial period is a valuable legal tool, but its validity rests on strict compliance with formal rules: express stipulation, maximum durations by category, renewal conditions and notice periods in case of termination. In 2026, digitalisation of HR processes offers concrete solutions to control these constraints: automated generation of compliant contracts, alerts on key dates and probative traceability of acts.

Certyneo supports HR and legal teams in securing their employment contracts through eIDAS-compliant electronic signature, time-stamped audit log and customisable workflows. Whether you manage ten recruitments per year or several hundred, compliance is no longer a constraint but a competitive advantage.

Ready to secure your HR processes? Discover Certyneo pricing or test the platform free of charge today.