Codex is by its content a lectionary menaeum for the month of March, intersecting with the movable Easter cycle. It contains 24 lives of saints and 23 homilies and one prayer, most of which were written by or are attributed to John Chrysostom. The 284-folio (according to some other sources, 285 folios) codex was discovered in 1823 by Canon Michał Bobrowski in the Uniate Basilian monastery in Supraśl.