Workplace Investigations

Yes, in principle the identity of the complainant, witnesses or sources of information for the investigation can be kept confidential.

On the other hand, if the employer – after having concluded the investigation – brings disciplinary action against the employee, the employer must send a letter to the employee in which the facts are described in detail, objectively and in a precise way, identifying when and where they have taken place, to allow a proper defence for the employee.

Even at this stage, however, the employer has no obligation to provide the employee with the evidence underlying the facts ascribed to him (ie, the employer has no obligation to specify the identity of the individuals through which they gained knowledge of the facts reported in the disciplinary letter).

However, if the employee subsequently challenges the disciplinary sanction before a judge, the employer bears the burden of proof, which may mean having to call the individuals interviewed within the internal investigation to stand as witnesses in court.

Moreover, in case of whistleblowing reports falling within the scope of the WB Decree, the employer is requested to generally keep the whistleblower’s identity confidential (according to art. 12 of the WB Decree). More specifically: (i) if the disciplinary charges are grounded on investigations which are different and additional to the whistleblowing report (although arising as a consequence of the report), the whistleblower’s identity may not be disclosed; (ii) if the disciplinary charges are grounded, in whole or in part, on the whistleblowing report, and knowing the identity of the whistleblower is indispensable for the defendant, such report may be used for the purpose of the disciplinary proceeding only if the whistleblower gives consent to his/her identity being revealed.

As mentioned under Question 10, the employer’s duty of care (article 328, Swiss Code of Obligations) also entails the employer’s duty to respect and protect the personality (including confidentiality and privacy) and integrity of employees (article 328 paragraph 1, Swiss Code of Obligations) and to take appropriate measures to protect them.

However, in combination with the right to be heard and the right to be informed regarding an investigation, the accused also has the right that incriminating evidence is presented to them throughout the investigation and that they can comment on it. For instance, this right includes disclosure of the persons accusing them and their concrete statements. Anonymisation or redaction of such statements is permissible if the interests of the persons incriminating the accused or the interests of the employer override the accused’ interests to be presented with the relevant documents or statements (see question 11; see also article 9 paragraphs 1 and 4, Swiss Federal Act on Data Protection). However, a careful assessment of interests is required, and these must be limited to what is necessary. In principle, a person accusing another person must take responsibility for their information and accept criticism from the person implicated by the information provided.[1]

The identity of the complainant and witnesses must be kept confidential and cannot be disclosed to anyone, unless both the complainant and witnesses consent to its disclosure or if the employer is asked to disclose this information by the competent authorities under Vietnamese law.

Generally speaking, internal investigations and those performed by external authorities are autonomous.

In addition, there are no general rules under which the employer must wait for the completion of a criminal investigation before completing its investigation and taking disciplinary action; if the employer believes it has sufficient grounds and evidence to take disciplinary action, it does not have to wait.

That being said, criminal investigations – given the wider investigation powers that public prosecutors or regulators have – may help to gather further evidence on the matter. From a practical point of view, the employer may decide to suspend (with pay) the employee apending the outcome of the criminal investigation, although this option must be evaluated carefully, given the potentially long duration of criminal proceedings, and the fact that the employer normally would not be in a position to access the documents and information about the criminal investigation (unless the company is somehow involved in the proceeding).

Lastly, in very general terms, police or public prosecutors have broad investigatory powers during criminal investigations, which could in certain circumstances make it compulsory for an employer to share evidence (but a case-by-case analysis is necessary regarding specific situations). Moreover, public prosecutors usually do not appreciate that, pending criminal proceedings, internal investigations are being conducted, because it can interfere with the criminal investigation.

The actions of the employer may carry through to a subsequent state proceeding. First and foremost, any prohibitions on the use of evidence must be considered. Whereas in civil proceedings the interest in establishing the truth must merely prevail for exploitation (article 152 paragraph 2, Swiss Civil Procedure Code), in criminal proceedings, depending on the nature of the unlawful act, there is a risk that the evidence may not be used (see question 27 and article 140 et seq, Swiss Civil Procedure Code).

There are no issues with an internal workplace investigation being conducted in parallel to any criminal or regulatory investigation. In such a case, the employer should handle the workplace investigation meticulously, pay attention to all the facts and evidence, inform the authorities of the ongoing internal workplace investigation, and ensure that it complies with all applicable legal requirements or directions made by the relevant authorities concurrently. Also, the employer should not take any steps that interfere with, hinder, or obstruct the parallel investigations.