Process confirmation is a process to determine the abnormality by using leadership questions (when an abnormality is found, what should be questioned is whether there are standard or not, the standard was followed or not, users understand the standards or not, the standard must be updated or not) and by using the process verification check sheet, t-card, process conformation rollup matrix. T-card are divided into three types; Team Leader T-card, Team Leader T-Card general area, and Leadership T-card.