Age of accountability. It is a controversial theological notion held by many Christians that for the purpose of salvation, a person is covered by God's grace until mature enough to understand and thus be responsible for obedience to God's moral law.
Police dogs are dogs that help the police to solve crimes. They have become a major part of law enforcement in the past several years. Police dogs have saved many lives with their unique skills and bravery.
Most places require a license for a dog, as when dogs escape, they can form hunting packs, and are a danger to wildlife and farm animals. License fees help compensate farmers for their loses. But few places require a license for having a cat. But a license is quite different from a required vaccination, such as a rabies vaccination. Many places require you to have your cat vaccinated against rabies.