The NOC is used by students, workers, employers, career and vocational counsellors, educational and training organizations. The first Edition of the NOC was published in 1992, and a Second Revised Edition was offered in 2001. Further minor revisions were made in 2006.
The National Occupational Classification (NOC) serves as a tool for students, workers, employers, and career counselors. The first edition was released in 1992, with subsequent updates in 2001 and further refinements in 2006.