[6] In 1206 a few charters from the 1190s and the first years of the new century as well as some older documents from 1176–85 that were omitted in the initial compilation were added by a different scribe, using a smaller, rounder script.
The final addition to the charter was a record of the surrender of Bernard Ato VI Trencavel to Simon de Montfort in 1214.
Of the charters 321 (55%) are oaths of fealty, 79 are "grants, recognitions, sales, mortgages" of fiefs,[1][2] and 57 are convenientiae (accords).
[8] Its contents are geographically organised, arranged so as to present Trencavel lordship as regional and territorial.
The Trencavel Cartulary contains no documents concerning the church, secular or monastic, and does not appear to have been used on a regular basis by its commissioners.