UKIP Crodyon Chairman Joan Tyndall was formerly an NF member, I am told

http://croydon.ukip.org/articles/819-2010-general-election-cautious-optimism

I have been informed by a nationalist source that Joan Tyndall, Chairman of Croydon UKIP was a member of the NF.

Would anyone from UKIP care to tell me what will happen to this woman  if this is found to be true?