Country Trial waiver system? Date of adoption 160 Type of trial waiver system Netherlands Yes 2000–2009 Cooperation arrangement/ To improve efficiency, ensure enforceability, crown witness system promote greater transparency of the criminal justice system, incentivise cooperation, and save time New Zealand Yes 2010–2016 Sentence incentives, charge incentives, fact incentives To avoid re-victimisation, reduce cost, save resources, and to simplify/modernise the criminal justice system Nigeria Yes 2000–2009 Charge incentives To incentivise cooperation, and save time Norway Yes 2000–2009 Sentence incentives To avoid re-victimisation, incentivise cooperation, and reduce cost Pakistan Yes 1990–1999 Cooperation arrangement/ To incentivise cooperation and encourage crown witness system religious development Peru Yes 1990–1999 Sentence incentives, charge incentives To simplify/modernise the criminal justice system Philippines Yes Pre-1990 Charge incentives To save time Poland Yes 1990–1999 Sentence incentives To save time Portugal No - - - Qatar No - - - Romania Yes 2010–2016 Sentence incentives Unknown Russia Yes Pre-1990 Sentence incentives, To promote efficiency, incentivise cooperation arrangement/ cooperation, reduce costs, and to save crown witness system resources and time Saudi Arabia No - - Scotland Yes Pre-1990 Sentence incentives, charge To avoid re-victimisation, improve efficiency, incentives, fact incentives reduce costs, and to save resources and time Senegal Yes Pre-1990 Cooperation arrangement/ Unknown crown witness system 78. Reason for introduction -