This page will guide you through the rules and requirements for traveling from the United States to Korea with your pet. There are currently only two ports of entry for pets (dogs and cats) into the Republic of Korea (ROK).All new volunteers must sign the Volunteer Acknowledgement, Service Agreement and Release of Liability. Animal Shelter Volunteer. 5. A paper that people with animals come in that tells the difference between a service animal and an ESA, for example, and establishes rules. Sec. 1. Short title. Sec. 2. Organization of Act into divisions; table of contents. Sec. 3.