When a Turnitin assignment is created within a Learning Management System (LMS), a Turnitin class is created for the course the assignment sits in if one does not already exist. Once this end date is reached, the class expires. This means that any submissions in this class become read-only.
Instructors will still be able to view the Similarity Report and any grades, comments, or rubrics attached, but it will not be possible to make any modifications until the class is reactivated.
Within Moodle, course end dates set for Moodle courses will sync with Turnitin classes. To extend a Turnitin class, the Moodle course end date will need to be set to a date in the future*.
When a Moodle course reaches its end date, the corresponding Turnitin class will expire a month after that date. This is very useful in managing your student license numbers, as a student who is not enrolled in an active Turnitin class will no longer occupy a student license.
We have decided to keep the Turnitin class active for an additional month after the Moodle course end date instead of syncing the end dates exactly to better serve the overall functionality between Moodle and Turnitin. The additional month provides a grace period between the Moodle course ending and the Turnitin class expiring so that the class content does not immediately become read-only in Turnitin on the Moodle course end date.
*For course dates to sync with Turnitin classes, a Turnitin assignment within the Moodle course needs to be interacted with. This can be done by saving the assignment settings as an instructor (no need to modify anything), or making a submission, etc. The interaction will sync the data between Moodle and Turnitin.
Important: Turnitin classes have a maximum term limit of five years and cannot be extended beyond this. If the Turnitin class associated with a course has reached its term limit, instructors will need to create a new course.