The first nomocanon, in the sixth century, is ascribed, though without certainty, to John Scholasticus, whose canons it utilizes and completes. He had drawn up (about 550) a purely canonical compilation in 50 titles, and later composed an extract from the Justinian's Novellae in 87 chapters that relate the ecclesiastical matters.
The first canon, dating back to the sixth century, is generally attributed to John Scholasticus, though its exact origin remains uncertain. He compiled a comprehensive collection of 50 titles around 550 AD and later produced an extensive extract from Justinian's Novellae containing 87 chapters that addressed ecclesiastical matters.