Vs Rogue levels

This was recently added:
"This feat grants a +1 bonus on Reflex saving throws made to avoid traps. The character retains his dexterity bonus to AC, even if caught flat-footed or attacked by a hidden or invisible creature. The character can no longer be flanked. This defense denies a rogue the ability to sneak attack the character by flanking him, unless the attacker has at least four more rogue levels than the target has class levels with uncanny dodge. If a character already has uncanny dodge from a second class, the levels from the classes that grant uncanny dodge stack to determine the minimum level a rogue must be to flank the character."
Is the Rogue level conditions implemented in NWN1?--Defunc7 19:15, 7 February 2006 (PST)

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