The Canons of the Council in Trullo 10

10 Canon X

A bishop, or presbyter, or deacon who receives usury, or what is called hecatostæ, let him desist or be deposed.

Notes.

Ancient Epitome of Canon X.

A bishop, presbyter, or deacon who takes usury shall be deposed unless he stops doing so.

See notes on canon XVI. of Nice, and the Excursus thereto appended.

Philip Schaff and Henry Wace (eds.), New York: Christian Literature Publishing Co., 1890-1900. Public domain: English translation first published 1885-1900 (Nicene and Post-Nicene Fathers, Second Series).