Can a state allow or authorize Congress??
NY state passes bill allowing Congress to request Trump's tax returnsDemocrats in New York state passed a pair of bills Wednesday that would allow Congress to get hold of President Donald Trump's state tax returns amid an escalating fight with top administration officials over access to the President's federal returns.
The main legislation, which passed the state assembly 84 to 53, would require the state's tax commissioner to provide New York state tax returns to Congress upon request from the House Ways and Means Committee, the Senate Finance Committee, or the Joint Committee on Taxation. A second bill also passed Wednesday restricts requests to elected officials only and mandates the removal of any federal tax information that might appear on state returns. ........
https://www.cnn.com/2019/05/22/politics/new-york-state-president-taxes/index.html