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The evidence notebook

French law · Prepare your case, step by step

Check a change to working hours in France

Read a proposed change to working hours alongside the contract, applicable agreements and new schedule. Changing working conditions and changing a contractual term do not necessarily have the same consequences. Record the old and new hours, duration and documented constraints. Identify the nature of the change before sending a definitive acceptance or refusal.

Go to the organiser
A fact → a document → a check

Which situations should I distinguish?

Check a change to working hours in France · two situations to keep separate
SituationPurposeWhat to check
Working durationDefine the amount of workContract and agreements
Working scheduleAllocate working periodsPart-time rules and notice
Source 1Source 2

Are working duration and hours the same issue?

Distinguish working-time duration, the contractual distribution of time and the actual schedule; changes to them do not have the same effects.

Source 1Source 2

What needs particular attention for part-time work?

For a part-time employee, the contract clause, collective agreement and advance-notice rule structure the analysis of the proposed change.

Source 1Source 2

Does collective scheduling differ from an individual change?

A collective working-time arrangement over a reference period uses a different framework from a one-off individual schedule change.

Source 1Source 2
Fictional example · adapt to your facts

What does a worked example show?

A new schedule replaces daytime hours with shifted hours without explaining its relationship to the contract.

The resulting sheet
Task
Check a change to working hours in France
Evidence to locate
Contract, amendments and previous working-time distribution
Question to resolve
What needs particular attention for part-time work?

Compare both schedules and the relevant contractual wording before replying.

01 / Prepare my file

How can I prepare this file?

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Your starting documents
The point to check

Read this distinction: Distinguish working-time duration, the contractual distribution of time and the actual schedule; changes to them do not have the same effects. Record what your documents establish and what remains uncertain.

02 / Prepare my file

Which issues should I examine in my file?

  1. Are working duration and hours the same issue?

    Read this distinction: Distinguish working-time duration, the contractual distribution of time and the actual schedule; changes to them do not have the same effects. Record what your documents establish and what remains uncertain.

  2. What needs particular attention for part-time work?

    Read this distinction: For a part-time employee, the contract clause, collective agreement and advance-notice rule structure the analysis of the proposed change. Record what your documents establish and what remains uncertain.

  3. Does collective scheduling differ from an individual change?

    Read this distinction: A collective working-time arrangement over a reference period uses a different framework from a one-off individual schedule change. Record what your documents establish and what remains uncertain.

03 / JULIE

What should I know before acting?

Are working duration and hours the same issue?

Distinguish working-time duration, the contractual distribution of time and the actual schedule; changes to them do not have the same effects.

Source 1Source 2

What needs particular attention for part-time work?

For a part-time employee, the contract clause, collective agreement and advance-notice rule structure the analysis of the proposed change.

Source 1Source 2

Does collective scheduling differ from an individual change?

A collective working-time arrangement over a reference period uses a different framework from a one-off individual schedule change.

Source 1Source 2

Which documents make this file useful?

Start by locating these records: Contract, amendments and previous working-time distribution; New proposal or schedule with notice date and effective date; Collective agreement, company agreement and evidence of the constraints relied on. Keep unknown or unavailable details marked as such; a checklist is not proof that a document exists.

What does the worked example demonstrate?

A new schedule replaces daytime hours with shifted hours without explaining its relationship to the contract. Compare both schedules and the relevant contractual wording before replying. This fictional example demonstrates a preparation method, not the outcome of a real case.

Which mistakes can change the analysis?

Avoid these shortcuts: Treating a part-time employee like a full-time employee without reading the contract; Refusing or accepting without checking whether the change affects a contractual term, collective arrangement or only working conditions.

Source 1Source 2

Does completing the sheet submit a request?

No. The sheet organises your selected issue, available records and own notes. It sends nothing to an authority or another party, calculates no deadline and cannot suspend one. Copy the file and check the applicable procedure before acting. Compare both schedules and the relevant contractual wording before replying.

How can Julie help with this preparation?

Julie by AlphaDeep is an AI legal assistant for French law. Use the chosen question to discuss this task: Check a change to working hours in France. Julie can help explain sources, examine document wording and draft a response. Check its proposals against your originals and ask the appropriate professional to review consequential choices.

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How can I continue with Julie?

Continue with Julie: sourced questions, document analysis and assisted drafting.

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Sources consulted on 21 September 2026.

Which official sources should I check?

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General information about French law. This organiser does not file or send an application. Have consequential choices checked by the relevant professional.