(1) If the owner is known, the animal shall be held at least ninety-six (96) hours after the attempt to notify is accomplished.

(2) If the owner is unknown, the animal shall be held at least seventy-two (72) hours after the time of impound.

(3) If the animal has been impounded pursuant to quarantine and has not been found to be suffering from rabies, the animal shall be held at least seventy-two (72) hours after the end of the quarantine period and examination by a licensed veterinarian.