West Virginia Code Chapter 48. Domestic Relations § 48-6-101. Property settlement or separation agreement defined

(a) “Property settlement or separation agreement” means a written agreement between a husband and wife whereby they agree to live separate and apart from each other. A separation agreement may also:

(b) To the extent that an antenuptial agreement affects the property rights of the parties or the disposition of property after an annulment of the marriage or after a divorce or separation of the parties, the antenuptial agreement is a separation agreement.