This Technical Specification outlines the standards needed to identify and label the Subject of Care (SoC) and the Individual Provider on objects such as wrist bands, identification tags or other objects, to enable automatic data capture using data carriers in the care delivery process. It provides for a unique SoC identification that may be used for other purposes, such as recording the identity of the SoC in medical health records. This Technical Specification serves as a reference for any organization which plans to implement or improve Automatic Identification and Data Capture (AIDC) in their delivery of care process. It is to be used in conjunction with the GS12) system of standards. This Technical Specification describes good practices to reduce/avoid variation and workarounds which challenge the efficiency of AIDC at the point of care and compromise patient safety. This Technical Specification specifies how to manage identifiers in the AIDC process, and completes the information found in ISO/TS 22220 and ISO/TS 27527.