Criminal Code Warning: this is not an official translation. Under all circumstances the original text in Dutch language of the Criminal Code (Wetboek van Strafrecht) prevails

Section 138a 
1.  Any person who unlawfully enters a dwelling or premises, which the entitled person has ceased to 
use, or unlawfully remains there, shall be guilty of squatting and shall be liable to a term of 
imprisonment not exceeding one year or a fine of the third category.  
2.  If he utters threats or employs means that could cause fear, he shall be liable to a term of 
imprisonment not exceeding two years or a fine of the fourth category.  
 3.  The terms of imprisonment prescribed in subsections (1) and (2) may be increased by one third if 
two or more persons commit the serious offence in concert.