A-6.001, r. 9 - Regulation respecting savings products

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65. Épargne Placements Québec may, on the written request of a participant, agree to the value of securities designated by the participant being frozen in favour of a third party for the amount of the principal only or for the principal and interest.
No transaction may be made with respect to the securities while the funds are frozen, except for reinvestment at maturity, unless written authorization is given by the third party in whose favour the funds have been frozen.
The funds are frozen by an entry in the book based system to that effect, with mention of the name and address of the third party in whose favour they have been frozen and, if applicable, the expiry date of the freezing. The entry is removed if the third party agrees to the removal in writing; an entry setting a date on which the freezing of the funds expires is automatically cancelled at 00:00 a.m. on the day after that date.
O.C. 1129-2008, a. 65.