# Tasks & work activities — customs and excise officer Source: O*NET 30.3, occupation 33-3051.04 (Customs and Border Protection Officers). ## Task statements - **[Core]** Examine immigration applications, visas, and passports and interview persons to determine eligibility for admission, residence, and travel in the U.S. - **[Core]** Detain persons found to be in violation of customs or immigration laws and arrange for legal action, such as deportation. - **[Core]** Locate and seize contraband, undeclared merchandise, and vehicles, aircraft, or boats that contain such merchandise. - **[Core]** Interpret and explain laws and regulations to travelers, prospective immigrants, shippers, and manufacturers. - **[Core]** Inspect cargo, baggage, and personal articles entering or leaving U.S. for compliance with revenue laws and U.S. customs regulations. - **[Core]** Record and report job-related activities, findings, transactions, violations, discrepancies, and decisions. - **[Core]** 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]** Testify regarding decisions at immigration appeals or in federal court. - **[Core]** Determine duty and taxes to be paid on goods. - **[Core]** Collect samples of merchandise for examination, appraisal, or testing. - **[Supplemental]** Investigate applications for duty refunds and petition for remission or mitigation of penalties when warranted. ## Detailed work activities - Calculate tax information. - Collaborate with law enforcement or security agencies to share information. - Confiscate prohibited or dangerous items. - Detain suspects or witnesses. - Examine personal documentation to ensure that it is valid. - Inform others about laws or regulations. - Inspect cargo to identify potential hazards. - Interview people to obtain information about actions or status of individuals. - Investigate illegal or suspicious activities. - Investigate legal issues. - Locate suspicious objects or vehicles. - Maintain operational records. - Obtain property information. - Testify at legal or legislative proceedings.