Section 3342.5 is about what happens to the dog rather than what is paid for the bite. Subdivision (a) imposes a free-standing duty: the owner of any dog that has bitten a human being must take such reasonable steps as are necessary to remove any danger presented to other persons from bites by the animal. That duty arises from the first bite, and it is a duty to act — to confine, to muzzle, to train, to fence — rather than merely to pay.
Subdivisions (b) and (c) create the proceeding. Where a dog has bitten a human being on at least two separate occasions, any person, the district attorney or the city attorney may bring an action against the owner to determine whether the conditions of the dog's treatment or confinement, or the other circumstances existing at the time of the bites, have been changed so as to remove the danger. Subdivision (c) allows the same action after a single bite where the dog was trained to fight, attack or kill and caused substantial physical injury. The action is brought in the county where a bite occurred, and after a hearing the court may make any order it thinks appropriate to prevent a recurrence, including removal of the animal from the area or, if necessary, its destruction.
The limits are set out in subdivisions (d) to (g). No action lies under subdivision (b) for a bite inflicted on a trespasser, or by a police or military dog actually performing in that capacity. Local dog control legislation is preserved. Nothing in the section affects the owner's liability in damages under § 3342 or any other law. And a proceeding under the section is a limited civil case. Bringing or defending one turns on the history of the particular dog and what has changed since, which is a matter to discuss with a lawyer.