If a user has completed a portion of a section, ergo triggering parts of iPath in that section, and need to go back or restart, you can reset iPath for them. 

Go to View Members in your section admin 


Next to the users name are admin options. Click Reset


Select which aspects you want to reset for the user. Or click on "The following actions will reset" to check all


Click Reset 

Have the user refresh their page before continuing