Borrowers receiving loans from the Bank shall be required to invest in class B stock at 5 percent of the total amount of loan funds advanced. Borrowers may purchase class B stock by:
Paying an amount (using their own general funds) equal to 5 percent of the amount, exclusive of the amount for class B stock, of each loan advance, at the time of such advance; or
Requesting that funds for the purchase of class B stock be included in the loan. If funds for class B stock are included in a loan, the funds for class B stock shall be advanced in an amount equal to 5 percent of the amount, exclusive of the amount for class B stock, of each loan fund advance, at the time of such advance.