Hi, I have a Northern complimentary ticket sent out as a "prize" for signing up to their online offers. The flyer says valid for one day travel, and must be dated (similarly to 4 in 8 rovers), with two boxes for travel, and if two people travel together both boxes to be dated. However the actual ticket says "This travel ticket is valid for [ 2 ] days anywhere on Northern Rail Service only". There are a total of six dateable boxes of which four are overprinted void. My question is, in view of the wording on the actual ticket, will I be able to use the ticket for travel out one day (dating the first box) and returning the next day (dating the second box)? I assume these are the sort of complimentary tickets regularly handed out by Northern's Customer Services for whatever reason? My journeys will be this Thursday/Friday.