Tax1099 Knowledge Hub

Your A-Z Glossary for Key Terms and Definitions.

Backup Withholding

Estimated Tax Payments

Dividend Income

Beneficial Owner

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Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Accounting Period

Accounts Payable (AP)

Accounts Receivable (AR)

Accrual Accounting

Aggregate Filers

Allocation of Deductions

Alternative Minimum Tax

Application Program Interface (API)

Apply for an EIN Online

Asset Depreciation

B

Beneficial Ownership

Business Expense Deduction

C

Capital Gains Tax

Certified Public Accountants (CPA)

Chapter 3 Withholding

Chapter 4 Withholding

Core Types of Tax Identification Numbers

Crypto Regulations

D

Dividend Income

E

Earned Income Credit (EIC)

EIN for Sole Proprietors

Estimated Tax Payments

Extended Filing Deadline

F

Federal Unemployment Tax Act (FUTA)

Fillable W-9 Form

G

H

Health Savings Account (HSA)

Hybrid Tax Accounting Methods

I

IRS Form 8889 (HSA)

IRS Notice CP71

Itemized Deductions

J

Joint Tax Filing

Judicial Notice of Tax Law

K

K-1 Reporting Rules

L

Limited Liability Company (LLC)

M

Minimum Taxable Income

Misclassification of Employees

Mortgage Interest Deduction

Mutual Fund Taxation

N

Net Operating Loss (NOL)

O

Opportunity Zone Tax Benefits

P

Payroll Withholding

Preparer Tax Identification Number (PTIN)

Purchase Price Allocation for Tax

Q

Qualified ABLE Program

Qualified Intermediary (QI)

R

Refundable vs Nonrefundable Tax Credits

Reporting Period (Tax Year)

Reverse Mortgages and Taxes

S

S-Corporation (S-Corp)

Scheduled Filing

Social Security Administration(SSA)

Social Security Number (SSN)

Social Security Tax

State Income Tax

T

Two-Factor Authentication

U

U.S. Source Income

U.S. Withholding Agent

V

Voluntary Withholding System

W

Withholding Tax

Z

Zero-Percent Tax Bracket