Chapter 3 - The general prerequisite of criminal liability
Section 7 – Negligence
(1) The conduct of a person is negligent if he or she violates the duty to take care called for in the circumstances and required of him or her, even though he or she could have complied with it (negligence).
(2) Whether or not negligence is to be deemed gross (gross negligence) is decided on the basis of an overall assessment. In the assessment, the significance of the duty to take care, the importance of the interests endangered and the probability of the violation, the deliberateness of the taking of the risk and other circumstances connected with the act and the perpetrator are taken into account.
(3) An act which is deemed to have occurred more through accident than through negligence is not punishable.
EDIT.