Up to 6 months, and that is weeks (26 of them!).
As for redundancy, once again talk is of 3 tranches (I hate that word) with 6 months notice to volunteers, 12 months for compulsaries. Given that the numbers have to be achieved by 2015 (April? It usually is.), working backwards tranche 3 can't be later than 2014 (given the 12 months time lag), with the first 2 tranches somewhen between mid 2011 and 2014......