DESCRIPTION

A “Certificate of Incumbency” is an official document issued by a company, verifying the current identities and positions of its key officers and directors, essentially confirming who is authorized to act on behalf of the organization, including signing legal documents or entering into contracts; it typically includes details like company name, registered address, and the names and titles of current board members and executives.

Source: 

https://www.investopedia.com/terms/i/incumbencycertificate.asp