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 15c 
1.  The probation period shall commence on the day of the conditional release. 
2.  The probation period of the general condition shall be equal to the period for which conditional 
release is granted, but shall amount to at least one year. 
3.  The probation period of a special condition shall be set by the Public Prosecution Service, but shall 
be at least equal to the period for which conditional release is granted. 
4.  The probation period shall not run during such time that the convicted offender is deprived of his 
liberty by law.