Delaware Code
Subchapter III. Conduct of Internal Corporate Affairs
§ 748. Dividends.

The directors of a bank or trust company may declare dividends on common or preferred stock of so much of the net profits of the corporation as they shall judge expedient; but the corporation shall, before the declaration of a dividend on common stock from the net profits, carry 50% of its net profits of the preceding period for which the dividend is paid to its surplus fund until the same shall amount to 50% of its capital stock; and thereafter shall carry 25% of its net profits of the preceding period for which the dividend is paid to its surplus fund until the same shall amount to 100% of its capital stock.