1. Ownership of the 1,000 shares outstanding are evenly divided among 80 shareholders. The shareholders are 78 individuals, 10 of whom are married to each other, and two estates. Permitted 2. A domestic corporation elects S status on April 15. Retroactively effective 3. Articles of incorporation authorize 800 shares of voting common stock, 200 shares of nonvoting preferred, and no other shares. Not permitted 4. A domestic corporation elects S status on March 3. When is the earliest effective date