The powers of the law enforcement are typically enforced only in cases where the law has been violated and a suspect must be identified and apprehended. Obvious violations are burglary, drug trafficking, murder, and robbery. Other services police officer carry out include providing first aid or tourist information, or acting as educators . Police agencies are available year-round, 24 ម៉ោងក្នុងមួយថ្ងៃ, so citizens call the police department not only when in trouble but when in inconvenient situations as well . ជា លទ្ធផល, police services go beyond combating crime to assisting with vehicle breakdowns, providing information about other agencies, and helping locate lost pets or property . Other services police officer carry out include providing first aid or tourist information, or acting as educators.
ពន្ធលើប្រាក់ចំណូលគឺសម្រាប់ប្រាក់ចំណូលរបស់អ្នក (ក្នុងមួយឆ្នាំអ្នករកឬទទួលប្រាក់) ដើម្បីបង់ពន្ធ.មនុស្សដែលបង់ពន្ធលើប្រាក់ចំណូលទៅឱ្យរដ្ឋាភិបាលសហព័ន្ធនិងរដ្ឋាភិបាលរដ្ឋច្រើនបំផុត. (有些州, 如新罕布什尔州和佛罗里达州, 不收取所得税 .)联邦所得税由国税局(IRS)收取, 并交给美国政府财政部 . 国家所得税交给国家收入部门 .