Where this article allocates a risk or a burden as between the parties "unless otherwise agreed," the agreement may not only shift the allocation but may also divide the risk or burden.
W. Va. Code § 46-2-303
Allocation or division of risks
Known as the Uniform Commercial Code
The act spans §§ 46–46 (630 sections).
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.