In civil actions and proceedings, the effect of a presumption respecting a fact which is an element of a claim or defense as to which federal law supplies the rule of decision is determined in accordance with federal law.
Wyo. R. Prac. & P. 302
In civil actions and proceedings, the effect of a presumption respecting a fact which is an element of a claim or defense as to which federal law supplies the rule of decision is determined in accordance with federal law.
Wyo. R. Prac. & P. 302