Among other things, the law requires all shelters to: *Offer night and weekend hours to boost public adoptions. *Hold all animals not given up by owners at least 72 hours. *Provide medical exams and needed care within 72 hours of animals' shelter entry. *Post incoming animals on websites in "lost and found" listings, "with sufficient detail to allow them to be recognized and claimed by their owners." *Scan pets for microchips and check for tattoos to raise chances of returns to owners. *Inoculate all cats and dogs for distemper within eight hours of shelter entry. *Also within eight hours, inoculate dogs for kennel cough and parvovirus, and cats for an upper respiratory infection called feline viral rhinotracheitis and the viral disease calicivirus, *Keep animals for at least five days after an owner starts procedures to get a pet back. *Contact rescue groups and other shelters for possible alternatives to euthanasia, such as moving to another facility or into foster care.