'The clause will allow retrospective ISA regulations to be laid committing those individuals who withdrew cash from their Northern Rock ISA between 13 and 19 September 2007 to reinvest it in another ISA by 5 April 2008 and restoring the tax advantage that they would otherwise have lost. That is because in that window from 13 to 19 September inclusive some ISA holders withdrew money from their ISA held with Northern...