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Careers
Federal Occupations Toolkit - White Collar Occupations
1169 — Internal Revenue Officer Series*

This series includes positions involved in administering, supervising, or performing work related to collecting delinquent taxes, surveying for unreported taxes, and securing delinquent returns. The work requires application of a knowledge of (1) general or specialized business practices; (2) pertinent tax laws, regulations, procedures, and precedents; (3) judicial processes, laws of evidence, and the interrelationship between Federal and State laws with respect to collection and assessment processes; and (4) investigative techniques and methods.