20. Except in the cases and subject to the conditions determined by regulation, the following persons are considered to be dependants of their father or their mother or of another adult designated by regulation if they are dependent on one of such persons for their subsistence:(1) minor children who are neither fully emancipated nor the father or mother of a child who is their dependant; and
(2) children of full age who attend an educational institution and who are neither the spouse of another person nor married nor in a civil union nor the father or mother of a child who is their dependant.