Here you will find helpful tools, links, and information on U.S. tax and related international tax matters.
We have gathered useful IRS links, tax treaty resources, calculators, maps, and other materials to support your tax needs. These resources are organized into clear categories to make them easy to find and use.
| Sr. No. | Name of the Resource | Related Link |
|---|---|---|
| 1 |
Sales Tax Rates & Economic Nexus Thresholds by State
The following page contains the current sales tax rate and economic nexus threshold for each U.S. state |
Click To View ↗ |
| 2 |
U.S. Tax Treaties with Other Countries
The following page contains the list of tax treaties that U.S. has entered with other countries |
Click To View ↗ |
| 3 |
How to Make Payments to the IRS
Main website for all IRS payment options, including Direct Pay, credit/debit cards, and payment plans. |
Click To View ↗ |
| 4 |
EFTPS: The Electronic Federal Tax Payment System
IRS Payment system for businesses |
Click To View ↗ |
| 5 |
Direct Pay with bank account
Free, secure way to pay from a checking or savings account (no sign-in required for basic use) |
Click To View ↗ |
| 6 |
Pay your taxes by debit or credit card or digital wallet
Option to make payment via authorized processors |
Click To View ↗ |
| 7 |
Apply online for a payment plan
Apply for a payment plan to pay over time. |
Click To View ↗ |
| 8 |
Substantial Presence Test Calculator
The following page contains a Substantial Presence Test Calculator. It helps determine whether you meet the U.S. Substantial Presence Test based on your days of physical presence in the United States during the current year and the two preceding years. |
Click To View ↗ |
| 9 |
Installment Agreement
Get Help with Your IRS Installment Agreement for Tax Debts Over $50,000 |
Click To View ↗ |
Disclaimer: The information and resources on this page are for general informational purposes only. They were collected from public websites and official sources. This does not constitute legal or tax advice. Tax laws change frequently. Please consult a qualified tax expert for guidance specific to your situation.