The Type of Occurrence Classification System (TOOCS1.0) was developed for use in coding details of workers’ compensation cases reported to workers’ compensation agencies. The third edition of TOOCS (TOOCS3.0) has been revised and updated taking into account feedback received from users. Revision has been part of a program of work associated with the review of the National Data Set for Compensation-based Statistics (NDS)1. The first year
for which reporting against the third edition of the NDS will occur will be 1 July 2005 to 30 June 2006. This revised coding system has been incorporated into the third edition of the NDS2.