contestada

J.D. formed Clampett, Inc., as a C corporation (calendar tax year) with J.D., Granny, and Jethro, Inc. (a C corporation) as shareholders. On January 15, 2019, Jethro, Inc., sold all its shares to Jane Hathaway. On February 28, 2019, Clampett, Inc., filed an S corporation election, with J.D., Granny, and Jane all consenting to the election. What is the earliest effective date of the S election