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 437quater 
Any person who violates any regulation to prevent assisting serious offences after the fact, laid down 
by Governmental Decree pertaining to the traffic on certain water areas to be designated in the 
Decree, shall be liable to a term of detention not exceeding three months or a fine of the third 
category. 
Section 438 
1.  Any person who makes a professional practice of providing overnight lodging for persons, shall be 
liable to a term of detention not exceeding one month or a fine of the second category if he:  

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1st  upon the arrival of a person who will spend the night in the establishment run by him, fails to 
promptly request from this person presentation of a travel document or identity document; 
2nd fails to keep a complete register, or fails to promptly enter or have entered in such register on 
the arrival of that person, the name, address and date of arrival of that person, and fails to 
make entries or to have entries made of the nature of the document presented, and, upon his 
departure, the date of departure;  
3rd  fails to present that register on request to the mayor or a civil servant designated by the mayor 
for that purpose.  
 
2.   Any person who, by profession or habit, makes available to persons of age a site that includes any 
inland harbour or inland waterways designed for the mooring of pleasure craft with or without the 
relevant facilities, for the purpose of overnight lodging or for the purpose of placing camping 
equipment or keeping such in place or makes available for that purpose any structure which is not 
an establishment as specified in subsection (1), and who commits the omissions set out in 
subsection (1) , shall be liable to the same punishment.