My Assignments Viewing My Assignments Log in to the Permanent Substitute site. (https://subs.princetonisd.net) Navigate to My Assignments (if available) in the sidebar. Overview The my assignments page allows Permanent Substitutes to to view their current and upcoming assignments to a campus as a substitute. Unavailability In addition, permanent substitutes are able to set dates as being unavailable, as well as see their past, present, and future unavailability. Canceling Unavailability Unavailable dates are able to be canceled as long as they are in the future using the small trash can icon to the right of the Unavailable date.