[MysticCat]

I'll agree with Archangel to a point. But if the change is one that fundamentally changes the nature of the group or that undermines the basis upon which you pledged to begin with (as in making the decision to pledge because of assurances that the local would be actively seeking national affiliation) to the point that the group really is no longer the same organization you pledged, then I think you haven't left the group. The group has left you.

Of course, none of us (including Archangel) knows anything about the pledge that rayray took when she joined the local in question. Only rayray does, so only she is in a position to decide whether quitting the local and pledging an NPC group would compromise or violate the pledge she made to the local, or whether such action would be justified.