Browse Immigration & Tax Forms
Browse the form descriptions below. Sarah, your AI form assistant, will guide you through a question-and-answer session to prepare a document you have chosen. You review, sign, and file it yourself.
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Popular searches: citizenship, green card, work authorization, ITIN, tax return
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I-130
POPULARPetition for Alien Relative
Bring your family to the U.S. Petition for your spouse, parent, child, or sibling to immigrate. First step in family-based green card process.
Who generally uses this form:
- • U.S. citizens sponsoring family members
- • Green card holders sponsoring spouse or children
- • Starting family reunification process
I-129F
Petition for Fiancé(e)
Bring your fiancé(e) to the U.S. to marry. Get a K-1 visa so you can marry within 90 days of their arrival in the United States.
Who generally uses this form:
- • U.S. citizens marrying foreign nationals
- • Engaged couples living in different countries
- • Planning to marry in the U.S.
I-864
Affidavit of Support
Prove you can financially support your family member. Required for most family-based immigration. Shows you meet income requirements.
Who generally uses this form:
- • Sponsors of family immigrants
- • For the sponsor — usually filed with the I-485 or sent to the National Visa Center
- • Proving financial ability to support
I-751
Remove Conditions on Residence
Remove conditions from your marriage-based green card. File within 90 days before your 2-year green card expires to get your 10-year card.
Who generally uses this form:
- • 2-year conditional green card holders
- • Married for less than 2 years when approved
- • Proving marriage is real, not for immigration
N-400
POPULARApplication for Naturalization
Apply for U.S. citizenship through naturalization. USCIS generally requires a period of lawful permanent residence before a person may apply; check the official instructions for current requirements.
Who generally uses this form:
- • Green card holders who have held permanent residence for the period stated in the instructions
- • People who meet the residence and physical-presence requirements described by USCIS
- • People who want to vote, travel easily, or sponsor family members in the future
N-600
Certificate of Citizenship
Get proof of U.S. citizenship you acquired at birth or through your parents. For those born abroad to U.S. citizen parents.
Who generally uses this form:
- • Born abroad to U.S. citizen parents
- • Automatically became citizen as a child
- • Need proof of citizenship for passport/job
I-485
POPULARApplication to Adjust Status
Apply for your green card while in the U.S. Become a permanent resident without leaving the country. Final step for most immigrants.
Who generally uses this form:
- • Approved family or employment petition
- • Already in the U.S. legally
- • Ready to become permanent resident
I-90
Replace/Renew Green Card
Renew your expiring green card or replace a lost, stolen, or damaged one. Keep your status up to date.
Who generally uses this form:
- • Green card expiring in 6 months
- • Lost, stolen, or damaged green card
- • Changed name or personal information
I-539
Extend/Change Nonimmigrant Status
Stay longer in the U.S. or change your visa status. Extend tourist visa, change from F-1 to H-1B, or other status changes.
Who generally uses this form:
- • Tourist visa expiring, need more time
- • Want to change visa category
- • F-1, B-2, or other nonimmigrant visa holders
I-765
POPULARApplication for Employment Authorization
Get permission to work in the U.S. Required for most immigrants before they can legally work. Get your EAD card (work permit).
Who generally uses this form:
- • Applicants with a pending I-485 adjustment application
- • F-1 students seeking OPT (CPT is arranged through your school, not USCIS)
- • Asylum applicants past the waiting period described in the instructions
I-140
Immigrant Worker Petition
Employer sponsors you for permanent residence. First step for employment-based green card (EB-1, EB-2, EB-3 categories).
Who generally uses this form:
- • Employer sponsoring you for green card
- • Priority workers or skilled workers
- • PERM labor certification approved
I-129
Petition for Nonimmigrant Worker
Temporary work visa petition. Used for H-1B (specialty workers), L-1 (transfers), O-1 (extraordinary ability), and other work visas.
Who generally uses this form:
- • H-1B specialty occupation workers
- • L-1 intracompany transfers
- • O-1 extraordinary ability workers
I-131
Application for Travel Document
Travel abroad while your green card application is pending. Get advance parole, reentry permit, or refugee travel document.
Who generally uses this form:
- • Pending I-485, need to travel abroad
- • Green card holder traveling over 1 year
- • Refugees/asylees needing travel document
I-589
Application for Asylum
Seek protection in the U.S. from persecution. If you fear returning home due to race, religion, nationality, political opinion, or social group.
Who generally uses this form:
- • Fleeing persecution in home country
- • Fear harm based on protected characteristics
- • Must file within 1 year of U.S. arrival
Form 1040
U.S. Individual Income Tax Return
File your annual federal income taxes. Standard tax return for U.S. citizens and residents. Report income, claim deductions, calculate refund.
Who generally uses this form:
- • U.S. citizens earning income
- • Green card holders (tax residents)
- • Anyone with U.S. taxable income
Form 1040-NR
Nonresident Alien Income Tax Return
Tax return for nonresidents. Generally used by people present on temporary visas such as F-1, J-1, or a first year on H-1B. Filing rules differ from Form 1040.
Who generally uses this form:
- • F-1, J-1 students/scholars
- • H-1B first-year employees
- • Foreign nationals, not tax residents
Form 941
Employer's Quarterly Federal Tax Return
Report payroll taxes quarterly. Generally required for employers with employees. Report wages, tips, federal income tax withheld, and Social Security/Medicare.
Who generally uses this form:
- • Employers with W-2 employees
- • Small business owners with staff
- • Due quarterly per the IRS (see the official instructions for dates)
Form W-7
Application for ITIN
Get your Individual Taxpayer Identification Number (ITIN). Required to file taxes if you don't have a Social Security Number. For tax purposes only.
Who generally uses this form:
- • No SSN but must file U.S. taxes
- • Nonresident aliens earning U.S. income
- • Dependents/spouses of U.S. tax filers
Form 1040-X
Amended U.S. Individual Income Tax Return
Fix a mistake on your tax return. Correct errors, add missing income, claim missed deductions. Must file within 3 years of original return.
Who generally uses this form:
- • Made error on original tax return
- • Forgot to claim deduction or credit
- • Received corrected W-2 or 1099
Form 1065
U.S. Return of Partnership Income
Tax return for partnerships and LLCs. Report business income, deductions, and generate K-1s for partners. Generally required even when there is no income.
Who generally uses this form:
- • Multi-member LLCs
- • General or limited partnerships
- • Must provide K-1s to partners
Form 1120
U.S. Corporation Income Tax Return
Tax return for C-Corporations. Report corporate income, calculate tax liability, claim deductions. Generally required annually for C-Corps.
Who generally uses this form:
- • C-Corporations (not S-Corps)
- • LLCs electing corporate tax treatment
- • Due by April 15 (or 15th of 4th month)
Form 1120-S
U.S. Income Tax Return for S Corporation
Tax return for S-Corporations. Pass-through taxation - income flows to shareholders. Generate K-1s for all shareholders.
Who generally uses this form:
- • S-Corporations
- • Qualified small business corporations
- • Must provide K-1s to shareholders
Form 944
Employer's Annual Federal Tax Return
Annual payroll tax return for small employers. Alternative to Form 941 if your annual payroll taxes are $1,000 or less. File once per year.
Who generally uses this form:
- • Small employers with low payroll
- • Annual payroll tax under $1,000
- • Employers the IRS has notified to use Form 944
Form 4868
Application for Extension of Time to File
Get 6 more months to file your tax return. Automatic extension - no explanation needed. Moves deadline from April 15 to October 15.
Who generally uses this form:
- • Taxpayers who need more time to prepare a return
- • Taxpayers missing documents before the deadline
- • NOTE: Any tax owed is still generally due by the original deadline
Form 7004
Business Tax Extension
Automatic 6-month extension for business tax returns. For partnerships (1065), S-Corps (1120-S), C-Corps (1120), and more.
Who generally uses this form:
- • Corporations needing more time
- • Partnerships missing documents
- • NOTE: Estimated tax must still be paid
Form 8938
Statement of Foreign Financial Assets (FATCA)
Report foreign bank accounts and assets. Generally required when foreign financial assets exceed the thresholds stated in the IRS instructions. Part of FATCA compliance.
Who generally uses this form:
- • Foreign bank accounts over threshold
- • Foreign stocks, securities, or businesses
- • U.S. persons with overseas assets
Form 8865
Return of Foreign Partnership
Report interest in foreign partnerships. Generally required for U.S. persons who own a 10%+ interest in, or control, a foreign partnership. Part of international tax compliance.
Who generally uses this form:
- • Own 10%+ of foreign partnership
- • Control over foreign partnership
- • U.S. persons with foreign business interests
Form SS-4
Application for Employer Identification Number
Apply for an Employer Identification Number (EIN) for your business entity. Required for hiring employees, opening business bank accounts, and filing business tax returns.
Who generally uses this form:
- • New businesses and LLCs
- • Employers hiring employees
- • Businesses opening a bank account or filing business returns
Not Sure Which Form Applies?
Browse Forms by Category
Citizenship & naturalization
Includes N-400 (Application for Naturalization) and N-600 (Certificate of Citizenship).
Family-based immigration
Includes I-130 (Petition for Alien Relative), I-129F (Petition for Fiancé(e)), I-864 (Affidavit of Support), and I-751 (Remove Conditions on Residence).
Green card & status
Includes I-485 (Adjust Status), I-90 (Replace/Renew Green Card), and I-539 (Extend/Change Status).
Tax
Includes Form 1040, Form 1040-NR, Form W-7 (ITIN), and Form SS-4 (EIN).
We can't tell you which form applies to your situation — that's legal advice. This is general information about publicly available forms, not a recommendation about your case. FirmaBizz is document-preparation software, not a law firm. Review the official instructions at uscis.gov or irs.gov, or consult an attorney or an accredited representative.
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