This Technical Bulletin No. 0036 provides guidance on the implementation of BS 8517-1:2016, the updated British Standard for the use of general purpose security dogs, which supersedes the previous version from 2009. It outlines mandatory compliance requirements for NSI approval, including changes in terminology, operational practices, and record-keeping related to the welfare and management of security dogs. Companies must adhere to the new standard by September 30, 2017, and the bulletin details specific adjustments to various clauses to enhance clarity and ensure current best practices are followed. Manual review recommended for complete details.