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Interim Reference Letters in Switzerland: Rights & Request Templates

Under Art. 330a of the Swiss Code of Obligations, employees possess an absolute legal right to request an interim employment reference (Zwischenzeugnis) at any time. Securing this document anchors past achievements and strengthens upcoming job applications.

3 min read Updated: October 2026 Reviewed by the editorial team SECO / RAV aligned

Mandatory Statutory Entitlement (Art. 330a CO)#

Swiss law allows workers to request formal written evaluations detailing their duties, performance, and conduct while employment remains active.

Strategically Timing the Request#

Avoid sparking resignation rumors by requesting an interim reference during logical career milestones: change of line manager, departmental restructuring, promotion, or three-year tenure marks.

Present-Tense Phrasing and Closing Remarks#

Interim letters are drafted in the present tense to reflect ongoing employment, concluding with expressions of satisfaction and the desire for continued collaboration.

Binding Legal Precedent for Final References#

Swiss courts rule that interim references carry strong binding authority: employers cannot arbitrarily downgrade subsequent final reference evaluations without documented cause.

Professional Request Email Template#

A tactful, polished template to request your evaluation without creating interpersonal friction.

Checklist: what a good interim reference contains#

An interim reference is the template for the later final reference. If a point is missing, it usually remains missing at the end – so check before you file the document:

  • Position and period. Precise title of the position and start of the employment relationship.
  • Description of duties. Two to four sentences on the area of responsibility and on deputising arrangements. This part is underestimated: a position listing management duties evidences a development which often goes unnoticed in the business field.
  • Performance and conduct. Both in the customary reference language, not merely one sentence on conduct.
  • Reason for issue. “At own request” is the neutral formula and later never looks like a precursor to a separation.
  • Place, date, signature with job title. Without a signature the reference remains worthless.

The reason for issue is the point recruiters examine most closely – not the assessment. “At own request” differs clearly in effect from a neutrally worded interim reference without a reason.

The right moment and the right wording#

An interim reference cannot always be obtained when it is needed. Whoever thinks about the right moment saves conflicts:

  • After completing a project or a positive appraisal – the effort is then small and the content good.
  • Before a change of line manager. The previous supervisor can still describe your work; afterwards it becomes difficult.
  • Before a restructuring. Whoever has today's description of duties in writing can later evidence a shift in duties.
  • Not immediately after a conflict situation and not in the same week as an intention to apply.

Formulate the request factually, without a reason and without a threat: “I would ask you for an interim reference to update my records. A draft from the HR department is welcome; I am happy to answer any questions.” Avoid the phrase “for the purposes of my application” – it changes the tone of the document, although the reason is legally irrelevant.

CVStart editorial teamresponsible: Serdar Orhan

The CVStart.ch editorial team is responsible for the guide content on applications, Swiss employment law and pay. The articles are based on statute (CO/OR, ArG, AVIG, BVG), FSO data and feedback from real application practice. Responsible for content and review: Serdar Orhan.

About the editorial team →

Frequently asked questions

Must I legally justify my request?
No, the statutory right is unconditional, though citing managerial transitions is tactical best practice.
What is a reasonable issuance timeframe?
Two to four weeks represents customary Swiss administrative turnaround.
Can an interim reference contain negative surprises?
It must adhere to principles of truth and goodwill, aligning with documented appraisal discussions.
Can I request one during my probationary period?
Yes, the statutory entitlement applies from day one of employment.
What recourse exists if an employer refuses?
Issue a formal 14-day notice before seeking enforcement via the local labor conciliation authority.
May the employer issue an interim reference marked “at own request”?
Yes, that is the usual and neutral formula. It is not a disadvantage – only a reason pointing to an imminent separation would be problematic.
How often can I request an interim reference?
There is no fixed number. Every two to three years, or on structural changes, is customary. Frequent requests at short intervals are read as a signal of an application.

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