10R2. A letter of guarantee given to the Minister shall:(1) be issued by a banking or financial institution having its head office or an establishment in Québec;
(2) cover the entire amount of the debt, including all interest payable upon the giving of the letter of guarantee, and all interest becoming payable within the following 12 months;
(3) be valid until extinction of the debt, or be renewable at regular intervals until extinction of the debt;
(4) be remitted to the Minister who shall retain possession until extinction of the debt.