9. The persons or groups of persons in the following classes may participate in the book based system if they are domiciled in Québec:
(1) natural persons;
(2) general or limited partnerships constituted in Québec;
(3) legal persons established for a private interest or in the public interest, constituted under the statutes of Québec or of Canada, acting on their own account; and
(4) legal persons acting as trustees or trustee agents for the account of a natural person participating in a self-directed retirement, retirement savings, education savings or disability savings fund or plan, or other fund or plan of the same nature within the meaning of the Taxation Act (chapter I-3) or the Income Tax Act (R.S.C. 1985, c. 1, (5th Suppl.)).