Mandatory items that will be checked at sign in...
Proof of ownership and insurance.
Bike suitable and in good (aka safe) condition
-brakes work, pads decent
-dot knobbies
-wheel bearings, steering bearings
-etc
First aid kit
Tow rope
Cellular #
Tire repair kit (tubes, inflator, etc)
GPS suitable for track files
Suitable gear (no jeans

, dot helmet, etc)
It won't be a thorough going over of the bike, just a quick check to ensure no obviously inappropriate bikes show up. We'd like to know everyone has a tow tope, tire repair kit, first aid kit, etc so you can take care of yourself if something happens...
Happy holidays, cya in June
