四分律比丘含注戒本 3.64

3.64

不齊中：下著者，下垂過肘露脇；高者，過脚[跳-兆+專]上；象鼻者，垂前一角；多羅葉者，垂前兩角，後褰高也；細襵者，襵已安緣。不犯者，肩臂瘡，下著，同前開相。

Among forms of untidiness: "worn too low" means hanging down past the elbow and exposing the flank; "too high" means pulled above the ankle; "elephant trunk" means letting one corner hang in front; "tāla palm leaf" means letting two corners hang in front while the back is hitched up high; "fine pleats" means pleating it and fixing the border. As for non-offense: if there are sores on the shoulder or arm and one wears it low, this is the same as the exemptions mentioned above.