BLANCHE - Black's Law Dictionary

What is BLANCHE? Definition of BLANCHE in Black's Law Dictionary – Legal dictionary – Glossary of legal terms.

A white sheet of paper; an instrument signed, but otherwise left blank. A. sheet given to an agent, with the principal's signature appended, to be filled up with any contract or engagement as the agent may see fit. Hence, metaphorically, unlimited authority.  

That's the definition of BLANCHE in Black's Law Dictionary – Legal dictionary – Glossary of legal terms. Courtesy of