Currently, PRT&FS is following the HEC (Pakistan) policies regarding Turnitin Originality Report and Plagiarism.
A zero-tolerance policy on plagiarism issue. PRT&FS aims for original script having 10% or below than 10% Turnitin Originality Report.
HEC relevant Weblinks:
How to Interpret Originality Report (Guidelines)
Guidelines on 'Ethics of Using Turnitin' for Administrators
Guidelines on 'Ethics of Using Turnitin' for Instructors
HEC Plagiarism Policy
Plagiarism Little Book