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(1) Until the application of the disciplinary sanction, the employer is obliged to request in writing to the employee a written explanation regarding the committed deed. The explanation regarding the committed deed can be presented by the employee within 5 working days from the date of the request. The refusal to provide the required explanation shall be recorded in a report signed by a representative of the employer and a representative of the employees.

(2) Depending on the gravity of the deed committed by the employee, the employer is entitled to organize a service investigation, the duration of which may not exceed one month. During the investigation, the employee has the right to explain his attitude and to present to the person authorized to carry out the investigation all the evidence and justifications that he considers necessary.