Presumptions in General
(As prescribed by Supreme Court.)
In all cases not otherwise provided for by Act of Congress or by these rules a presumption imposes on the party against whom it is directed the burden of proving that the nonexistence of the presumed fact is more probable than its existence.
Presumptions in General in Civil Actions and Proceedings
(As passed by House of Representatives.)
In all civil actions and proceedings not otherwise provided for by Act of Congress or by these rules, a presumption imposes on the party against whom it is directed the burden of going forward with the evidence, and, even though met with contradicting evidence, a presumption is sufficient evidence of the fact presumed, to be considered by the trier of facts.
Note (Federal Judicial Center)
Neither of the above versions of Rule 301 was enacted.