It will be a team event with an open group driver teaming up with a Group B driver, racing ten minute heats across all four lanes. Racers will need to organise their own team before the event. It would be handy if someone could post the full details as I don't seem to have them.
The link below is to the Le Mans register 1970 where you can check out your models eligibility to prevent any disappointment on the day. Also, if you post your team names here I will start a list of entrants.
If you go to the bottom of the registery page you can toggle through to the earlier years.