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The legal landscape for dogs working in assistance, service, and support roles is complicated and contradictory. Regulations permit access to public places, allow subsets of dogs' emergency transport and treatment, provide elevated protections for K-9s and assistance animals from criminal acts, and make it a crime to fraudulently represent a service animal. Federal and state agencies provide different regulations for dogs to access public places. Identification and verification of the working animal are not standardized. Working dog legislation is a changing landscape that requires veterinarians to be up to date on laws and regulatory guidance., (Copyright © 2021 Elsevier Inc. All rights reserved.)

Search and rescue dogs are an important link in the search for missing persons. The aim of the study was to assess exam stress in search and rescue dogs and their guides. The study included 41 rescue teams taking exams of field and rubble specialties. The level of cortisol, which is the main glucocorticosteroid modulating stress reactions in humans and dogs, was analyzed. The biological material used to assess the hormone concentration was saliva collected in a non-invasive way. In total, 164 test samples were collected: two from the dog and two from the guide before and immediately after the exam. Rescue exams were shown to significantly increase salivary cortisol in both dogs and their guides. Strong interactions between cortisol levels in human-dog teams were also found with a more pronounced effect in female dog-female handler dyads., Competing Interests: The authors declare no conflictsof interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.