The UP tax was a revenue program for FDR's New Deal. The act was  controversial even within FDR's United States Treasury Department, as some economists such as Alfred G. Buehler thought that it would harm the ability of business to put capital towards company growth.
The UP tax was an economic measure during FDR's New Deal. It encountered disagreement among economists and officials in the U.S. Treasury Department, particularly regarding its impact on business capital allocation for company expansion.