C-24.2, r. 34 - Regulation respecting licences

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6. For the purposes of subparagraph 3 of the first paragraph of section 5, the surname and usual given name are the surname and habitually used given name appearing on the licence holder’s act of birth or, failing that, on a document proving his identity.
A licence holder married before 2 April 1981 may apply to have his spouse’s surname appear on the licence in addition to his own. For that purpose, he must provide the Société de l’assurance automobile du Québec with an authentic copy of the marriage certificate or an equivalent document and, where applicable, a French or English translation of the document that he submits.
O.C. 1421-91, s. 6.