This summary of the most important results of this study is set up by answering the different questions in which this study’s theses consists (7.2). The preceding chapters’ most important findings can be presented adequately and orderly by answering the theses. The three questions of which the theses consists will therefore be presented first (7.1). The current chapter will end with a short conclusion (7.3). 7.1 Back to the theses In chapter 1 answering the following three questions was presented as goal of the current research. What is the meaning of the terrorist offence, the terrorist intent and the increase of custodial penalties of the Terrorist offences act from a criminal law perspective and how do they fit in the system of Dutch criminal law? How does the Terrorist offences act extend punishability for terrorist offences and how should these extensions be appreciated from a criminal law perspective? In which way does the terrorist offences act relate to prior penalizations of terrorism and what is the sentence that can actually be imposed for terrorist offences when a single attack consists of several acts or when a single act constitutes several terrorist offences?