In Shosoin Monjo (document collection of the Nara period kept in Shosoin Treasure House) of Todai-ji Temple, there remain many "Shokage" by sutra-copying officials, which show different reasons for leave such as sickness of themselves or their family members, deaths of family members, laundry, religious services for their deities, and denso (rice field) tax paying.
東大寺の正倉院文書には、写経生の請假解が多数残されており、本人の病気や家族の病気や不幸、衣服の洗濯、氏神の祭祀、田租の納入など様々な理由が付けられている。