National Occupational Classification (NOC) 2011
- 4 - Occupations in education, law and social, community and government services
- 43 - Occupations in front-line public protection services
- 431 - Occupations in front-line public protection services
- 4311 - Police officers (except commissioned)
- 4312 - Firefighters
- 4313 - Non-commissioned ranks of the Canadian Forces
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