Now that a date has been announced for the General Election, the clock starts ticking on a strict timetable until polling day. Here are the key dates: • May 24: Parliament prorogued, subject to the progress of business, which means the end of the Parliamentary session, bringing most business to an end. • May 30: Parliament dissolved. By law, this has to take place no later than 25 working days before polling day, which, in this instance, is May 30. The days between now and end of the Parliament will be used to complete any urgent business in the Commons and the Lords, though it also means cert…