They put me on a T3 but can I go back on a T2?

Hi there I’m currently on a 37/41 and I’ve been on it since 2020 but I’ve been in hospital for mental health issues but since I have been in they put me on a T3 but I was on a T2 and I have the compassion to concent to treatment so I was wondering if I can go back on a T2 and I would like to come off my section