By November 16, 2022, Immigration, Refugees, and Citizenship Canada (IRCC) will replace the National Occupational Classification (NOC) 2021. From the skill type and skill level structure of the present NOC 2016 (NOC 0, A, B, C, and D), the TEER (training, education, experience, and responsibilities) categories and 5-digit occupation codes will now be in effect.