State law seems 2 gov. If no state subst. Always go through jxnal analysis again 2. Claim against co-party 2. Must arise out of the trxn 3.
Rules allow regardless of prejud.
When it's a good law 1. 2 use discretion 2. P can bring claim against the person impleaded 2. Once 3PD sues P, open quest. Tanbro Fabrics Corp. v. Beaunit Mills, Inc.