100+ IRS Form Guides for Tax Professionals

Form 941 — Employer's Quarterly Federal Tax Return

Quarterly payroll deposits, trust fund taxes, ERC reconciliation

Form 940 — Employer's Annual FUTA Tax Return

Federal unemployment tax; FUTA credit; multi-state employers

Form 1099-NEC — Nonemployee Compensation

Independent contractor reporting; $600 threshold; backup withholding

Form W-9 — Request for Taxpayer Identification Number

TIN collection; backup withholding prevention; entity classification

Form 941-X — Adjusted Employer's Quarterly Return

Amend quarterly payroll returns; claim ERC refunds; correct errors

Form 944 — Employer's Annual Federal Tax Return

Annual payroll return for small employers with ≤$1,000 annual liability

Form 943 — Agricultural Employer's Annual Return

Annual payroll tax return for agricultural employers; farmworker rules

Form 945 — Annual Return of Withheld Federal Income Tax

Backup withholding on 1099 payments; pension withholding

Form W-2 — Wage and Tax Statement

Box 12 codes; fringe benefits; employer-provided health insurance

Form W-4 — Employee's Withholding Certificate

Withholding optimization; multiple jobs; extra withholding strategies

Form SS-4 — Application for EIN

EIN application; entity type selection; responsible party rules

Form 1094-C — ACA Employer Reporting Transmittal

ALE determination; FTE calculation; ESRP penalty avoidance

Form 1120-S — S-Corporation Return

S-Corp income, deductions, credits; K-1 preparation; built-in gains

Form 1120 — C-Corporation Return

Corporate income tax; dividends received deduction; NOL carryforwards

Form 1065 — Partnership Return

Partnership income; K-1 preparation; guaranteed payments; §754 elections

Form 2553 — S-Corporation Election

S-Corp election timing; late election relief; shareholder requirements

Form 8832 — Entity Classification Election

Check-the-box elections; LLC taxation; default classification rules

Form 5471 — Foreign Corporations

CFC reporting; Subpart F income; GILTI; PFIC rules

Form 1040 — U.S. Individual Income Tax Return

Complete individual return; above-the-line deductions; tax computation

Form 4868 — Extension of Time to File

6-month extension; payment requirements; state extension coordination

Form 1040-X — Amended Return

Amended return procedures; 3-year refund window; audit risk

Form 1040-NR — Nonresident Alien Return

FDAP vs. ECI income; treaty benefits; dual-status returns

Form 6251 — Alternative Minimum Tax

AMT preferences; ISO stock options; AMT credit carryforward

Form 2555 — Foreign Earned Income Exclusion

FEIE; bona fide residence test; physical presence test; housing exclusion

Form 1040-ES — Estimated Tax Payments

Safe harbor rules; underpayment penalty; quarterly payment schedule

Schedule A — Itemized Deductions

SALT cap; mortgage interest; charitable contributions; medical expenses

Schedule B — Interest & Dividends

Interest income; dividends; foreign account disclosure; FBAR trigger

Schedule C — Profit or Loss from Business

Sole proprietor income; deductible expenses; home office; SE tax

Schedule D — Capital Gains & Losses

Short-term vs. long-term; loss limitations; carryforward rules

Schedule E — Supplemental Income

Rental income; partnership/S-Corp income; royalties; passive activity

Schedule K-1 (Form 1065) — Partnership Income

Partner's share of income; self-employment income; basis tracking

Schedule K-1 (Form 1120-S) — S-Corp Income

Shareholder's share of income; basis limitations; at-risk rules

Schedule SE — Self-Employment Tax

SE tax calculation; deductible SE tax; net earnings from self-employment

Form 1099-B — Broker Proceeds

Stock sales; covered vs. uncovered securities; wash sale reporting

Form 1099-DIV — Dividends and Distributions

Qualified dividends; capital gain distributions; foreign tax paid

Form 1099-INT — Interest Income

Bank interest; bond interest; savings bond interest; OID

Form 1099-R — Retirement Distributions

IRA/401(k) distributions; distribution codes; rollover reporting

Form 1099-C — Cancellation of Debt

Insolvency exclusion analysis; Form 982; tax attribute reduction

Form 1099-G — Government Payments

Unemployment compensation; state tax refund taxability; identity theft

Form 1099-S — Real Estate Proceeds

§121 exclusion analysis; depreciation recapture; installment sales

Form 1099-K — Payment Card and Third Party Network

$600 threshold; Stripe/PayPal/Square reconciliation; gross receipts reporting

Form 1099-MISC — Miscellaneous Income

Rents; royalties; prizes; attorney payments; backup withholding; $600 threshold

Form 1096 — Annual Summary and Transmittal

Electronic filing threshold (10 returns); late filing penalties

Form 1098-T — Tuition Statement

AOTC reconciliation; 529 coordination; scholarship reduction

Form 8812 — Child Tax Credit

CTC and ACTC; phase-out planning; refundable portion optimization

Form 8863 — Education Credits

AOTC vs. LLC; 529 coordination; dependency strategy

Form 2441 — Child and Dependent Care Credit

CDCC vs. DCFSA optimization; qualifying expense analysis

Form 5695 — Residential Energy Credits

Solar credits (30%); heat pump credits; IRA 2022 expansion

Form 8889 — Health Savings Accounts (HSAs)

Triple tax advantage strategy; HSA investment; Medicare coordination

Form 8283 — Noncash Charitable Contributions

Appreciated stock donations; qualified appraisals; Donor Advised Funds

Form 3800 — General Business Credit

R&D credit; WOTC; startup payroll tax offset up to $500K

Form 8962 — Premium Tax Credit

APTC reconciliation; repayment caps; income planning

Form 8995 — QBI Deduction (§199A)

23% QBI deduction (OBBBA); SSTB analysis; W-2 wage strategies

Form 8829 — Home Office Deduction

Regular and exclusive use; simplified method; depreciation

Form 8959 — Net Investment Income Tax (NIIT)

3.8% NIIT on investment income; MAGI thresholds; rental income; capital gains

Form 8960 — Qualified Dividends & Capital Gains

0%/15%/20% preferential rates; qualified dividends; capital gains harvesting

Tax Credits Guide — 10 Major Credits

Child Tax Credit; EITC; AOTC; Lifetime Learning; Dependent Care; Saver’s Credit; Adoption; Energy; Foreign Tax; Elderly

Form 8867 — Paid Preparer's Due Diligence

EITC, CTC, AOTC, HOH due diligence; preparer penalties

Form 8606 — Nondeductible IRAs

IRA basis tracking; backdoor Roth; pro-rata rule

Form 5305-SEP — SEP-IRA Setup

Simplified Employee Pension; $69,000 contribution limit; self-employed retirement; same-day setup

Form 5498 — IRA Contribution Information

IRA contribution verification; RMD compliance; rollover confirmation

Form 5329 — Additional Taxes on Qualified Plans

Early distribution penalty exceptions; RMD failure abatement (SECURE 2.0)

Form 5500 — Annual Return of Employee Benefit Plan

Retirement plan compliance; plan audit requirements; late filing penalties

Form 1041 — U.S. Income Tax Return for Estates and Trusts

DNI calculation; distributable net income; trust tax planning

Form 8949 — Sales and Other Dispositions of Capital Assets

Cryptocurrency reporting; wash sale adjustments; basis reconciliation

Form 4797 — Sales of Business Property

§1231 gains; depreciation recapture; like-kind exchange reporting

Form 8825 — Rental Real Estate (Partnerships/S-Corps)

Real estate professional exception; passive activity rules; QBI

Form 6252 — Installment Sale Income

Gross profit percentage; depreciation recapture; related party rules

Form 8824 — Like-Kind Exchanges

1031 exchange reporting; boot recognition; replacement property basis

Form 8582 — Passive Activity Loss Limitations

Passive loss rules; $25,000 rental allowance; real estate professional

Form 4562 — Depreciation and Amortization

§179 expensing; bonus depreciation; listed property rules

Form 4835 — Farm Rental Income

Passive farm rental; crop share reporting; SE tax exclusion

Form 4684 — Casualties and Thefts

Federal disaster losses; business casualty losses; insurance reimbursement

Form 8594 — Asset Acquisition Statement

Asset class allocation; buyer/seller consistency; goodwill reporting

Form 656 — Offer in Compromise

Doubt as to collectibility; reasonable collection potential; OIC process

Form 433-A — Collection Information Statement (Individual)

Individual financial disclosure; allowable expenses; CNC status

Form 433-B — Collection Information Statement (Business)

Business OIC; CNC status; installment agreements for businesses

Form 433-D — Installment Agreement

DDIA setup; default prevention; reinstatement procedures

Form 433-F — Collection Information Statement (Simplified)

ACS resolution; phone-based installment agreements; CNC status

Form 9465 — Installment Agreement Request

Streamlined installment agreement; user fees; financial disclosure

Form 8857 — Innocent Spouse Relief

Three types of relief; equitable relief; no time limit

Form 8379 — Injured Spouse Allocation

Refund offset recovery; community property rules

Form 4506-T — Request for Transcript

Five transcript types; mortgage verification; IRS notice resolution

Form 911 — Taxpayer Advocate Service Request

TAS eligibility; Taxpayer Assistance Orders; hardship resolution

Form 2848 — Power of Attorney

CAF authorization; scope of representation; third-party designee

Form 8821 — Tax Information Authorization

Information-only access; no representation authority; CAF number

Form 12153 — CDP Hearing Request

Collection due process; lien/levy challenge; Tax Court appeal rights

Form 8865 — Foreign Partnerships

Foreign partnership reporting; GILTI; Subpart F income

Form 1040-NR — Nonresident Alien Return

FDAP vs. ECI income; treaty benefits; dual-status returns

Form 1042 — Annual Withholding Tax Return for Foreign Persons

30% FDAP withholding; treaty reductions; withholding agent liability

Form 3520 — Foreign Trusts and Gifts

Foreign gift reporting ($100K threshold); 35% penalty; Form 3520-A

Form 8938 — FATCA Foreign Financial Assets

FATCA vs. FBAR; $50K/$100K thresholds; foreign retirement accounts

Form 5471 — Foreign Corporations

CFC reporting; Subpart F income; GILTI; PFIC rules

Form 8858 — Foreign Disregarded Entities

FDE reporting; branch operations; foreign tax credit coordination

Form 2555 — Foreign Earned Income Exclusion

FEIE; bona fide residence test; physical presence test; housing exclusion

Form 1116 — Foreign Tax Credit

FTC limitation; passive vs. general basket; carryback/carryforward 10 years

Form 8621 — PFIC Reporting

QEF election; mark-to-market election; default excess distribution regime

Form 8992 — GILTI Calculation

Net tested income; QBAI; §250 deduction; high-tax exclusion election

Form 706 — United States Estate Tax Return

Estate tax; portability election; marital deduction; step-up in basis

Form 709 — United States Gift Tax Return

Annual exclusion; lifetime exemption; gift splitting; Crummey trusts

Form 8332 — Release of Dependency Exemption

Divorced parents; CTC transfer; AOTC dependency strategy

Form 8300 — Report of Cash Payments Over $10,000

Cash transaction reporting; structuring rules; dealer requirements

Form 8824 — Like-Kind Exchanges

1031 exchange reporting; boot recognition; replacement property basis

IRS Notice CP2000 — Underreporter Inquiry

Automated underreporter program; response procedures; penalty abatement

IRS Notice CP504 — Intent to Levy

Final notice before levy; CDP rights; collection alternatives

IRS Letter 1058 / LT11 — Final Notice of Intent to Levy

CDP hearing request; 30-day deadline; levy prevention strategies

IRS Notice CP503 — Balance Due Second Notice

Second balance due notice; payment options; escalation prevention

IRS Form 1040-ES — Estimated Tax

Quarterly estimated payments; safe harbor; underpayment penalty