Sure, so the rules are the standard rules, as defined here: http://www.pokecommunity.com/showthread.php?t=155750
With the one exception that only you will be allowed to substitute (Switch) your Pokemon, of course mine will change after a KO but that's not a substitution. Same is the case for my FC.
With the one exception that only you will be allowed to substitute (Switch) your Pokemon, of course mine will change after a KO but that's not a substitution. Same is the case for my FC.