65. A plan may acquire and hold bonds or other securities issued or guaranteed by:(a) Québec or another province of Canada;
(b) Canada;
(c) the United States of America or any state of that country;
(d) any country in which the employer is carrying on business provided that the total investment under this subparagraph shall not exceed 5% of the book value of the total assets of the plan, or such other percentage as the Board may approve in cases where the aggregate of the pension credits in respect of employees resident outside Canada exceeds 5% of the book value of the total assets of the plan;
(e) the International Bank for Reconstruction and Development, the Inter-American Development Bank and the Asian Development Bank;
(f) a municipal or school corporation in Canada.