The Immigration Reform and Control Act ( IRCA ) , , also known as the Simpson-Mazzoli Act , signed into law by Ronald Reagan on November 6 , 1986 , is an Act of Congress which reformed United States immigration law .
The Immigration Reform and Control Act ( IRCA ) , also known as the Simpson-Mazzoli Act , was signed into law by Ronald Reagan on November 6 , 1986 , is an Act of Congress which reformed United States immigration law .