Car
You had one month from the date of the Decision to request a Mandatory Reconsideration which you have done, if you need extra time to provide more information then you need to contact the DWP and they should give you four weeks from the date you first requested the MR to provide the information, be aware, this includes postage time so in reality you probably only have three weeks.
Gordon
Nothing on this board constitutes legal advice - always consult a professional about specific problems 
