Which of the following is not a requirement for the owner of corporate stock who sells to an ESOP to qualify for the nonrecognition of gain treatment?

A$.$The ESOP must own at least $30\%$ of the corporation$$s stock immediately after the sale.

B$.$The owner must reinvest the proceeds from the sale into qualified replacement securities within $12$ months after the sale.

C$.$The ESOP may not sell the stock within three years of the transaction unless the corporation is sold.

D$.$All of the above are requirements.