PAST Act

[AI summary unavailable — showing source text] Prevent All Soring Tactics Act of 2013 or the PAST Act - Amends the Horse Protection Act (HPA) to direct the Secretary of Agriculture to prescribe regulatory requirements for the Department of Agriculture (USDA) to license, train, assign, and oversee persons who are to be hired by the management of horse shows, exhibitions, sales, or auctions and are qualified to detect and diagnose sore horses or otherwise inspect horses at such events. (The soring of horses is any of various actions taken on a horse's limb to produce a higher gait that may cause pain, distress, inflammation, or lameness.) Prohibits issuing a license to any person unless such person is free from conflicts of interest. Requires the Secretary, in issuing such licenses, to give a preference to persons who are licensed or accredited veterinarians. Replaces the current horse inspector appointment process under which the management of a horse show, exhibition, sale, or auction appoints inspectors with a new process requiring the Secretary to assign USDA-licensed inspectors after receiving notice that management intends to hire such inspectors. Requires the Secretary to publish on the Animal and Plant Health Inspection S…