"1. One who unlawfully, systematically, and deliberately intrudes into someone's personal environment with the intention to force the other to act in a way, or to prevent one to act in a certain way or to induce fear, will be prosecuted for harassment, for which the maximal punishment is three years and a fine of the fourth monetary category. 2. The prosecution will only take place after a complaint of the person who is the victim of the crime."
January 1, 1970
https://en.wikiquote.org/wiki/Stalking