Its in the actual law here.
"or shall leave in a conspicuous place in the vehicle struck a written notice giving the name and address of the driver and of the owner of the vehicle doing the striking and a statement of the circumstances thereof."
Otherwise it is hit and run. I've seen notes on a totaled car before. Someone had a car parked on the side of a major highway with the customary rag in the window, clearly the car was disabled. Anywho, these two idiots managed to collide with each other and they both crashed into it. Two little notes on this totaled car. Sadly, I don't know the rest of the story but I found it humorous.