They were responsible chiefly for administrative and fiscal affairs (characteristically, they belonged to the financial ministry of the Sakellion), and were also responsible for the provisioning of the thematic armies.
Başlıca idari ve mali (tipik olarak Sakellion'nun maliye bakanına aittiler) işlerden sorumluydular ve ayrıca thema ordusunun hazırlık tedarikinden sorumluydular.