Common use of Requirement of Writing Clause in Contracts

Requirement of Writing. This First Supplemental Indenture may not be amended, modified or waived except by written instrument signed by the Corporation and the Warrant Agent to this First Supplemental Indenture.

Requirement of Writing. This First Second Supplemental Indenture may not be amended, modified or waived except by written instrument signed by the Corporation and the Warrant Agent to this First Second Supplemental Indenture.

Requirement of Writing. This First Supplemental Warrant Indenture may not be amended, modified or waived except by written instrument signed by the Corporation and the Warrant Agent to this First Supplemental Warrant Indenture.