Are you wondering how to request a tax refund or tax credit, or how to file your taxes come 2022? Well, here are the TOP-20 Internal Revenue Service (IRS) tax forms. You are likely to use one or more of these IRS tax forms before April 2022.
TOP-20 IRS Forms List – Where Can I Get IRS Tax Forms?
You can get the latest version of any tax form from the IRS website. The forms are available free, any time of the day and night, throughout the year. You can also get paper copies of the IRS tax forms from the Taxpayer Assistance Centers (TACs).
There are 401 TACs in the whole country, where you can get a free face-to-face consultation.
- Form 1040
- Form W-4
- Form W-2
- Form 4868
- Form 941
- Form W-9
- Form 1099
- Form 4506
- Form 1098
- Form 9465
- Form 720
- Form 13844
- Form 8610
- Form 637
- Form 2848
- Form 3520
- Form 8332
1. Form 1040

Form 1040 (U.S. Individual Income Tax Return), is a standard IRS form. U.S. citizens or non-US citizens use it to file their annual income tax returns.
Using this form, you can declare your taxable income for the year 2021, any taxes owed to the Internal Revenue Service (IRS), or any refund you expect to receive.
For instance, in 2021, the standard individual income tax deductions that you can file are:
- Single or married separate filing, $12,550
- Married joint filing or a qualifying widow or widower, $25,100
- Head of household, $18,800
There are various 1040 Forms for different individual tax income filing scenarios. They include:
- Form 1040-SR: Used by citizens over the age of 65 years. It allows taxpayers in that category to add $1,300 to their standard deductions.
- Form 1040-X: Used correct errors and omissions incurred during filing of returns previously done by form 1040.
- Form 1040-NR: Also known as the Nonresident Alien Income Tax Return, non-US citizens who do not possess green cards to use this form.
2. Form W-4

Anytime you change jobs or employers, you need to complete Form W-4 and give it to your new employer. They need it to determine how much federal taxes to withhold from their employee.
The amount of tax withheld varies depending on factors such as tax credits, tax arrears, dependents, etc.
If you did not have tax liabilities from 2020 and there will be none in 2021, you can use Form W-4 to instruct your employer not to withhold any tax.
Find out more about the W-4 form.
3. Form W-2

Employers use Form W-2 to file the wages they paid to their employees and the taxes they withheld.
Form W-2 helps the IRS track the reporting of taxes such as Medicare tax, social security, and income tax withheld.
Employers should provide their employees this form earlier to allow them enough time to file returns before the April deadline.
4. Form 4868

You can use Form 4868 to request for extension of time to file a U.S. individual income tax return. The form is also as “Application for Automatic Extension of Time to File U.S. Individual Income Tax Return.”
Form 4868 gives you a one-time extension of six months; however, you have to submit the form before the initial due date of filing returns. Moreover, form 4868 does not extend the time for paying taxes.
5. Form 941

Form 941 is also known as “Employer’s Quarterly Federal Tax Return,” and employers use it to report their employee’s withheld taxes as they pay their FICA and Medicare taxes. It is filed quarterly and has the following deadlines: April 30, July 31, October 31, and January 31.
Check how to complete Form 941 properly.
6. Form W-9

Form W-9 is also known as the Request for Taxpayer Identification Number (TIN) and Certification Form. Employers use it to send taxpayer details such as the name, address, and tax identification number to the IRS.
The IRS requires anyone who resides in the USA and earns an income to fill and submit a W-9 Form. The employer uses the information you provide in Form W-9 to generate Form 1099.
7. Form 1099

If you are a business entity, you have to issue Form 1099 to any person you have paid $600 or more. You must also send a copy of Form 1099 to IRS. There are several variations of Form 1099, and they include the following:
- Form 1099-DIV: You use this form to declare any income in the form of dividends and capital gains.
- Form 1099-MISC: You can use this form to report income of more than $600 from one or more business entities. You will get a 1099-MISC from each business that sent you cash rewards, royalties, one-time payments, and other types of earnings.
- Form 1099-G: Use this form if you received any income from the government, such as a grant or unemployment benefit.
- Form 1099-INT: You will receive this form if you received interest in your bank savings.
8. Form 4506

If you need copies of your previously filed returns, you can request them using Form 4506 (Request for Copy of Tax Return).
The IRS will then send you copies of tax returns sent to a third party. The other variations of Form 4506 include:
- Form 4506-A – used by political entities to request copies of tax exemptions or exemption applications.
- Form 4506-T – used to request a return transcript or know information on penalties for the current fiscal year.
- Form 4506T-EZ – used tax return transcripts for up to three previous fiscal years.
Check how to complete Form 4506-t using Zapier and PDF.co.
9. Form 1098

If you are a homeowner paying a mortgage, or you donated an automobile, or you either paid tuition fees, or you are repaying a student loan, you will receive Form 1098. There are four types of forms in the 1098 series.
- Form 1098: Used to declare mortgage interests of more than $600 paid to lenders.
- Form 1098-C: A donee uses a 1098 Form to file a qualified vehicle contribution to a charitable organization.
- Form 1098-E: Provided by lending institutions to report interests of more than $600 on student loans.
- Form 1098-T: Provided by post-secondary institutions to report tuition fees and related fees received.
10. Form 9465

Taxpayers use Form 9465 (Installment Agreement Request) to request a monthly installment payment plan. You can use it to request that you pay the taxes you owe in monthly installments if you cannot afford to pay the whole amount at once.
11. Form 720
Business entities use Form 720 to make Quarterly Federal Excise Tax Return. Any business that sells goods or services that are subject to excise tax duty must file those taxes using this form.
The form has Part I, Part II, and Part III, as well as Schedule A, Schedule T, and Schedule C. And if you use a payment voucher, you can fill out the form’s payment voucher known as Form 720-V.
While Form 720 is filed quarterly, the excise taxes due must be paid twice a month. The excise duty is included in the price of goods and services.
12. Form 13844
Form 13844 is used by qualified individuals to apply for reduced user fee installment agreements. To qualify to file for a reduced fees application, an individual must meet certain conditions.
Those conditions include an adjusted gross income that is 250% below the Department of Health and Human Services poverty guidelines criteria.
The poverty guidelines are updated each year. Another condition is agreeing to make electronic payments using a debit instrument. In case a low-income individual is unable to make electronic payments, the IRS can reimburse the user fees paid on completion of the installment agreement.
The reduced user fees application applies to individuals only. Corporation and partnership entities do not qualify to use Form 13844. There are no penalties if you qualify but fail to use this form to get reduced user fees.
13. Form 8610
Housing credit agencies use Form 8610 to file Schedules A (Form 8610, Low-Income Housing Credit Allocation and Certification, and Forms 8609 with the IRS. Moreover, the form is used to file the number of dollar credits allocated annually.
There is a limit on the number of dollar credits that a housing credit agency can allocate each year. Therefore, the credits are calculated as a sum of several values.
For instance, in 2021, that limit was the sum of the following:
- The larger of $2.8125 multiplied by the state’s population or $3,245,625,
- The amount returned in 2021 from allocations made before 2021 after reaching the states housing credit ceiling,
- The amount of housing credit the state received from the National Pool,
- Any unused state housing credit ceiling from 2020, if any.
This form must be filled out by a Housing Credit Agency authorized to allocate credits to low-income building owners. In states where multiple agencies are allowed to operate, those agencies must cooperate and file one Form 8610. There is a $100 penalty for failure to file Form 8610 when it’s due.
14. Form 637
If your operations and activities fall under IRS sections 4101, 4662, 4222, and 4682, you must use Form 637 to register for excise tax. Check pages 2 to 4 in Form 637 to see if your business is under those four sections.
Businesses and persons required to register with Form 637 include pipeline operators or vessel operators, Blenders of activity letter M, producers or importers of alcohol, agri-biodiesel, renewable diesel, and second-generation biofuel producers.
If you have not registered and are required to register, you can be fined $10,000 and an additional $1,000 for each day you remain unregistered. However, you can be exempted if there is a reasonable cause as to why you haven’t registered.
15. Form SS-4
Unlike other IRS forms, Form SS-4 allows you to apply for an Employer Identification Number (EIN). This identification is given to entities that may include corporations, proprietorships, partnerships, and other institutions that need to file taxes. Accessing this form is easy. You can do it via the internet. Alternatively, you can apply via mail, fax, or telephone if you prefer any of these options. Once you get approved, you will have a corporate tax account at the IRS. Therefore, you will use your company’s EIN in most business transactions or when communicating with the IRS.
16. Form 2555
Form 2555 is a document used by American citizens or residents who live in another country. Although you may be away in another country, being a citizen or resident of the country obligates you to pay certain taxes. Using this document should help you exclude income you receive in a foreign country. It also gives you some breaks regarding housing tax.
17. Form 2848
If you want to assign someone to interact with the IRS on your behalf, you will want to fill out Form 2848. This document covers the power of attorney and declaration of a representative to the IRS. Although couples can file a joint tax return form, they must individually file Form 2848 if they choose to empower someone to act on their behalf. Once you designate a representative, the person becomes authorized by the law to receive and review your tax information. The individual also has the legal right to act in your place.
18. Form 3520
If you perform foreign transactions as an individual or estate executor of an American, you are required to complete Form 3520. Apart from foreign transactions, you are required to provide information about large gifts received, bequests, and trusts you own in a foreign land. Likewise, you are required to complete this document once you receive money that exceeds $100,000 from a not American. On the other hand, you need to file this form for gives that exceed a particular threshold that is determined yearly after considering inflation.
19. Form 8332
Form 8332 is a document for revocation of the release of claim to exemption for a child by a custodial parent or guardian. This document is usually completed by a parent that retains custody of a child or children after a divorce. When an individual completes this document, they are effectively waiving their right to tax exemption for a timeframe. In addition, they are allowing noncustodial parents to claim this exemption when filing their taxes. However, the noncustodial parent will have to attach Form 8332 when completing their tax return.
20. Form 8802
If you want to work in another country, you will need to complete Form 8802. This document lets you obtain a residency certificate, which will let you work abroad at a lower tax rate. However, this only applies to countries America has a tax treaty with. In addition, you will have to pay $85 to process the certificate.
Conclusion – IRS Forms
It is important that you use the right forms when filing your tax returns, or making requests to the IRS. Often, you may find a form that has several variations, which obviously means you have to be keen to choose the one that fits your specific situation.
In that regard, using a tax filing solution or hiring a professional accountant can help you avoid making costly mistakes.