Economic Definition of National Industrial Recovery Act. Defined.
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Term National Industrial Recovery Act Definition: One of the first acts passed under New Deal program the Roosevelt administration in 1933, it specifically allowed workers to organized into unions and to engage in collective bargaining without interference from firms. This act, going by the acronym NIRA, was declared unconstitutional in 1935, but while in force gave a big boost to labor unions and membership. The National Labor Relations Act was created in 1935 to replace the NIRA.