According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| Examine immigration applications, visas, and passports and interview persons to determine eligibility for admission, residence, and travel in the U.S. | 95% |
| Detain persons found to be in violation of customs or immigration laws and arrange for legal action, such as deportation. | 92% |
| Inspect cargo, baggage, and personal articles entering or leaving U.S. for compliance with revenue laws and U.S. customs regulations. | 91% |
| Locate and seize contraband, undeclared merchandise, and vehicles, aircraft, or boats that contain such merchandise. | 91% |
| Interpret and explain laws and regulations to travelers, prospective immigrants, shippers, and manufacturers. | 88% |
| 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. | 85% |
| Testify regarding decisions at immigration appeals or in federal court. | 84% |
| Record and report job-related activities, findings, transactions, violations, discrepancies, and decisions. | 84% |
| Determine duty and taxes to be paid on goods. | 80% |
| Collect samples of merchandise for examination, appraisal, or testing. | 75% |
| Investigate applications for duty refunds and petition for remission or mitigation of penalties when warranted. | 62% |
