The Kubo-okura's responsibilities included the accounting of taxes (yakusen tax and munabetsu-sen) collected from sake brewers, Dokura and miso producers, the management of gifts to the government from all quarters (arms, paper, lacquer ware, clothes and other articles, that were used for government works and gifts to vassals or converted into money to hold Buddhist services and other events), and the management of official documents of the bakufu.
公方御蔵には酒屋や土倉、味噌屋などから集められた役銭・棟別銭などの租税、各方面から幕府への献上品（武具・紙・漆器・衣類など。幕府の業務で用いる他に家臣などへの贈与や換金して仏事などの諸行事の費用にあてる場合もあった）の管理・出納、幕府公文書の管理などが上げられている。