Federal Update: March 2018 Endowment Tax Letter to Congressional Leadership from 49 Colleges and Universities March 7, 2018Today, Harvard joined 48 peer institutions to send a joint letter to Congressional Leadership opposing the net investment income excise tax included in the new tax law. You can view the letter here. Read more about Federal Update: March 2018 Endowment Tax Letter to Congressional Leadership from 49 Colleges and Universities