Estimated-tax planning guide

Prepare the information a professional needs without turning a generic worksheet into individualized advice.

9 minute guide · Published and last reviewed September 3, 2026 · ProTax Editorial Team

Use this step-by-step checklist

1
Summarize year-to-date income, deductible expenses, withholding, and payments already made.
2
Separate federal planning from state and local obligations.
3
Flag major changes such as a new business, asset sale, large gain, or change in filing status.
4
Use current IRS forms or professional calculations before sending a payment.

When professional review mattersTax rules depend on facts, entity type, jurisdiction, dates, and current guidance. Use this resource to organize the conversation—not to decide a tax position by itself.

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Estimated-tax planning guide

Prepare the information a professional needs without turning a generic worksheet into individualized advice.

9 minute guide · Published and last reviewed September 3, 2026 · ProTax Editorial Team

Use this step-by-step checklist

1
Summarize year-to-date income, deductible expenses, withholding, and payments already made.
2
Separate federal planning from state and local obligations.
3
Flag major changes such as a new business, asset sale, large gain, or change in filing status.
4
Use current IRS forms or professional calculations before sending a payment.