At first, the PRI refused to accept the nomination and its parliamentary leader, Arturo Núñez Jiménez, declared it illegal. However, the PRI later accepted the fact and Muñoz Ledo answered the state of the union address of President Ernesto Zedillo.
Initially, the PRI initially declined the nomination, with its parliamentary leader, Arturo Núñez Jiménez, declaring it unconstitutional. Nevertheless, the PRI later accepted the reality, and Muñoz Ledo delivered a response to President Ernesto Zedillo's state of the union address.