US immigration categories depend on nationality, purpose, sponsor and length of stay. A visitor entry does not normally permit employment. Start with USCIS, the State Department and official consular guidance, and verify fees, forms, appointment rules and permitted activities immediately before applying.
Main routes and documents
| Situation | Route to investigate |
|---|---|
| Short visit | Visitor visa or current visa-waiver rules |
| US employer | Relevant temporary work category |
| University or research | Student or exchange category |
| Family | Family-sponsored immigration route |
| Investment or business | Current investor or business category |
| Long-term settlement | Employment, family or diversity pathways where eligible |
Prepare a valid passport, forms, photographs, sponsor or school evidence, proof of funds, petition approvals, civil documents and medical or police evidence where requested. Keep receipts and approval notices. Immigration status, work permission, tax residence and state licensing are separate questions; confirm each before starting work, changing employer or travelling.
Practical checks
Keep passport, visa, approval notices, lease, insurance, tax and employment records in a secure digital folder. Inspect housing for climate and natural-hazard risks, verify landlords and understand deposits, fees and utilities. Confirm state licence, insurance and healthcare rules in writing, and budget for temporary accommodation, credit-history gaps and employer benefit changes.
Before signing, test the commute at the actual start time and compare after-tax pay with rent, health costs, childcare, transport and local taxes. Families should verify school districts and hospital networks before moving. Immigration permission, work authorisation, tax residence and professional licensing are separate questions.
New arrivals should arrange a phone plan, bank account, tax or Social Security number where eligible, health insurance and a reliable emergency contact. Ask an employer exactly when benefits begin and what happens during probation or relocation. Check lease renewal, parking, laundry, heating or cooling and building safety rather than relying on photographs.
State and city rules can differ sharply. Save official links, keep receipts and re-check requirements before renewal or travel. Build a contingency fund for delayed onboarding, a change of employer, a medical deductible or a move between states.
Settling in
Save official links and re-check requirements before renewals because federal, state and local rules can change. If a spouse or children are included, confirm each person’s status and health coverage separately. Professional advice is useful for complex immigration, tax or employment arrangements, but it should supplement current government instructions.
Match status to the activity
Write down exactly what you plan to do: visit, study, work for a US employer, join family, invest or settle long term. Confirm that the category permits that activity, employer, school and duration. A visitor entry is not permission for ordinary employment, and a petition approval may still require consular processing or an entry inspection.
Application and arrival checklist
Prepare a valid passport, forms, photographs, sponsor or school evidence, petition approvals, proof of funds, civil documents and medical or police evidence where requested. Keep the application number, receipts, approval notices and I-94 records. Check expiry dates and travel restrictions before leaving the US. Immigration status, work permission, federal tax residence, state tax and professional licensing are separate matters; confirm each before changing employer or location.