* supervisor only Supervisor Time Reporting Codes for Substitute Teachers TRC Description Instructions for Use SUB Substitute Pay This code is to enter regular hours worked as a substitute teacher. SUL* Substitute Longevity Diff. This code is a differential that is applied to hours worked once the employee qualifies for the longevity differential. Last updated by HR Systems (438-8870) Page 1 of 1 v.11/17/2014