(a) An association shall maintain a card index system or identification for each greyhound racing for the association. An association may not permit a greyhound to be housed on association grounds unless the greyhound is identifiably tattooed in each ear.(b) Each bertillion card must be legible and thoroughly identifiable for each greyhound. The card must show:(1) the name of the kennel; and(2) the color, sex, tattoo identifications located in each ear, and characteristic markings, scars, and other identification features of the greyhound.(c) The paddock judge shall maintain the bertillion cards. For each greyhound removed from association grounds, the paddock judge shall maintain the bertillion card for the greyhound in an inactive file for the six-month period after the date of the greyhound's removal.