21. (1) Every notary must have a particular seal reproducing, according to a uniform model, the arms of Québec with, in exergue, his surname and given names or initials and the words: “Notary”, “Québec, Canada”. Notaries practising on 1 March 1969 may continue to use the seal which they possess.
(2) The Bureau, by regulation, may change the model of the seal and the information that it must bear.
(3) Every notary shall affix such seal to the deeds executed by him en brevet and to the copies of and extracts from the deeds in his repertory or in the records of which he is the depositary or assignee.