PRESIDENTIAL DECREE NO. 422

: Presidential Decree No. 422, dated March 27, 1974.
: The bridge across the Abra River linking the municipalities of Tayum and Dolores, Abra.
: The bridge was named "Don Mariano Marcos Bridge."
: The Provincial Board and the Mayors' League of Abra petitioned for the naming of the bridge.
: Don Mariano Marcos was honored for his leadership during the pacification campaign in the Japanese Occupation, his intercession and assistance to the people of Abra, and strengthening their morale and unity during a political crisis.
: The municipalities of Tayum and Dolores in the province of Abra.
: It is one of the longest bridges in the Philippines, a vital link in the Abra-Kalinga-Cagayan Valley national highway, and promotes trade and commerce between Kalinga-Apayao, Cagayan Valley, and the Ilocos provinces.
: The decree takes effect immediately upon its signing on March 27, 1974.
: President Ferdinand E. Marcos signed the decree.