# Customs and Border Protection Officers > Investigate and inspect persons, common carriers, goods, and merchandise, arriving in or departing from the United States or between states to detect violations of immigration and customs laws and regulations. - Code: 33-3051.04 (O*NET-SOC; SOC 2018 33-3051) - Family: [Protective Service](https://foundation.org.ai/occupations#family-33), one of its 28 occupations - Tasks: 11 tasks (10 core and 1 supplemental) - Page: https://foundation.org.ai/occupations/33-3051.04 - JSON: https://foundation.org.ai/data/tasks/33-3051.04.json ## What the work is made of 1. Examine immigration applications, visas, and passports and interview persons to determine eligibility for admission, residence, and travel in the U.S. Core task · Task 9450 · Rated by 82 people who do the job, July 2012 2. Detain persons found to be in violation of customs or immigration laws and arrange for legal action, such as deportation. Core task · Task 9451 · Rated by 82 people who do the job, July 2012 3. Inspect cargo, baggage, and personal articles entering or leaving U.S. for compliance with revenue laws and U.S. customs regulations. Core task · Task 9454 · Rated by 82 people who do the job, July 2012 4. Locate and seize contraband, undeclared merchandise, and vehicles, aircraft, or boats that contain such merchandise. Core task · Task 9452 · Rated by 82 people who do the job, July 2012 5. Interpret and explain laws and regulations to travelers, prospective immigrants, shippers, and manufacturers. Core task · Task 9453 · Rated by 82 people who do the job, July 2012 6. Institute civil and criminal prosecutions and cooperate with other law enforcement agencies in the investigation and prosecution of those in violation of immigration or customs laws. Core task · Task 9456 · Rated by 82 people who do the job, July 2012 7. Testify regarding decisions at immigration appeals or in federal court. Core task · Task 9457 · Rated by 81 people who do the job, July 2012 8. Record and report job-related activities, findings, transactions, violations, discrepancies, and decisions. Core task · Task 9455 · Rated by 81 people who do the job, July 2012 9. Determine duty and taxes to be paid on goods. Core task · Task 9458 · Rated by 82 people who do the job, July 2012 10. Collect samples of merchandise for examination, appraisal, or testing. Core task · Task 9459 · Rated by 82 people who do the job, July 2012 11. Investigate applications for duty refunds and petition for remission or mitigation of penalties when warranted. Supplemental task · Task 9460 · Rated by 82 people who do the job, July 2012 ## More in Protective Service - [Animal Control Workers](https://foundation.org.ai/occupations/33-9011.00): 15 tasks - [Bailiffs](https://foundation.org.ai/occupations/33-3011.00): 15 tasks - [Correctional Officers and Jailers](https://foundation.org.ai/occupations/33-3012.00): 27 tasks - [Crossing Guards and Flaggers](https://foundation.org.ai/occupations/33-9091.00): 12 tasks - [Detectives and Criminal Investigators](https://foundation.org.ai/occupations/33-3021.00): 30 tasks - [Fire Inspectors and Investigators](https://foundation.org.ai/occupations/33-2021.00): 30 tasks - [Firefighters](https://foundation.org.ai/occupations/33-2011.00): 30 tasks - [First-Line Supervisors of Correctional Officers](https://foundation.org.ai/occupations/33-1011.00): 23 tasks - [First-Line Supervisors of Firefighting and Prevention Workers](https://foundation.org.ai/occupations/33-1021.00): 30 tasks - [First-Line Supervisors of Police and Detectives](https://foundation.org.ai/occupations/33-1012.00): 20 tasks - [First-Line Supervisors of Protective Service Workers, All Other](https://foundation.org.ai/occupations/33-1099.00): no tasks listed - [First-Line Supervisors of Security Workers](https://foundation.org.ai/occupations/33-1091.00): 21 tasks - [Fish and Game Wardens](https://foundation.org.ai/occupations/33-3031.00): 24 tasks - [Forest Fire Inspectors and Prevention Specialists](https://foundation.org.ai/occupations/33-2022.00): 16 tasks - [Gambling Surveillance Officers and Gambling Investigators](https://foundation.org.ai/occupations/33-9031.00): 8 tasks - [Intelligence Analysts](https://foundation.org.ai/occupations/33-3021.06): 21 tasks - [Lifeguards, Ski Patrol, and Other Recreational Protective Service Workers](https://foundation.org.ai/occupations/33-9092.00): 15 tasks - [Parking Enforcement Workers](https://foundation.org.ai/occupations/33-3041.00): 22 tasks - [Police and Sheriff's Patrol Officers](https://foundation.org.ai/occupations/33-3051.00): 30 tasks - [Police Identification and Records Officers](https://foundation.org.ai/occupations/33-3021.02): 15 tasks - [Private Detectives and Investigators](https://foundation.org.ai/occupations/33-9021.00): 14 tasks - [Protective Service Workers, All Other](https://foundation.org.ai/occupations/33-9099.00): no tasks listed - [Retail Loss Prevention Specialists](https://foundation.org.ai/occupations/33-9099.02): 21 tasks - [School Bus Monitors](https://foundation.org.ai/occupations/33-9094.00): 18 tasks - [Security Guards](https://foundation.org.ai/occupations/33-9032.00): 14 tasks - [Transit and Railroad Police](https://foundation.org.ai/occupations/33-3052.00): 12 tasks - [Transportation Security Screeners](https://foundation.org.ai/occupations/33-9093.00): 26 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. 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