signature guarantee

signature guarantee definition - business

signature guarantee

A written guarantee by a financial institution (nearly always a commercial bank or stock exchange member firm) that a particular signature is valid. A signature guarantee is often required on a certificate or other official document to be mailed.

The American Heritage® Dictionary of Business Terms Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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