The Congressional Review Act.
Legislative Veto and the Presentation Clause (Art I, sec. 7, clause 3): Every Order, Resolution, or Vote to which the Concurrence of the Senate and House of Representatives may be necessary (except on a question of Adjournment) shall be presented to the President of the United States; and before the Same shall take Effect, shall be approved by him, or being disapproved by him, shall be repassed by two thirds of the Senate and House of Representatives, according to the Rules and Limitations prescribed in the Case of a Bill.
Proclamations and Executive orders
Newt Gingrich, Lessons Learned the Hard Way (1998):
We had not only failed to take into account the ability of the Senate to delay us and obstruct us, but we had much too cavalierly underrated the power of the President, even a President who had lost his legislative majority and was in a certain amount of trouble for other reasons. I am speaking of the power of the veto. Even if you pass something through both the House and the Senate, there is that presidential pen. How could we have forgotten that? For me especially it was inexcusable, because when I was Republican whip during the Bush Administration one of my duties had been precisely to help sustain presidential vetoes.