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Members of the Control Yuan, Taiwan's ombudsman body, visited the center on 29 September 2021 and tested the system. In its report approved on 13 April 2022, the Control Yuan found that recognition finished within 3 seconds with a very high recognition rate. It also found that the center's shopping system for inmates cut the time from order to delivery from 7 days to 1 day. The Control Yuan does not say whether that system uses face recognition. At the central control desk, roll calls of a dozen inmates at once worked only when they looked up at the camera. 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