E-Signatures Frequently Asked Questions
1

What are the documents I can e-sign?

You may sign E-File Authorization forms for 1040, 1065, 1120S, and 1120 returns; states supported signature forms; and the bank application. In addition, you may upload PDF documents to sign.

How do I know which states support E-Signature?

The following states support E-Signature: Alabama, Arizona, Arkansas, California, Colorado, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New Mexico, New York, Oklahoma, Oregon, Pennsylvania, South Carolina, Vermont, Virginia, and West Virginia.

What size and types of files are supported to attach E-Signature requests?

Beginning with tax year 2026, files must be a PDF and there is no size limit.

What types of verification does TaxAct Support?

TaxAct supports KBA verification.

What is KBA?

KBA stands for Knowledge Based Authentication, an authentication method in which the user provides answers to previously established “secret” questions to verify the user’s identity.

How many times can I go through KBA?

You may only go through KBA three (3) times.

May I create digital signatures by using E-Signature pads?

No.

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