Facing imminent arrest, he fled to the United States on January 23, 1973, where later he sought and was granted political asylum by the U.S. government.

In August 1985, President Marcos stated Daza and other opponents living abroad may return to the Philippines but "must face any charges against them."

One day after his arrival, he was put under arrest and forthwith arraigned before a Quezon City court on an indictment charging him for multiple violations of the Marcos-era anti-subversion law.

Upon arrival Daza told reporters "Our motherland is in her darkest hour... the time has come for all true Filipinos, whether here or abroad, and regardless of class, calling or roots, to rally around her."

Former Senator Jovito Salonga, who had returned earlier that year, told reporters that Daza would play a key role in organizing the Liberal Party for the elections.

[5] Granted bail due to pressure from a group of U.S. senators, he joined the opposition "parliament of the streets" and campaigned for Ninoy's widow Cory Aquino against Marcos in the snap election of February 7, 1986 In 1986, he was appointed by Corazon Aquino as Deputy Minister of the Presidential Commission on Good Government and at the same time a Governor until 1987 when he announced his candidacy as Representative of First District of Northern Samar.

During his return as congressman, he was part of the minority at age 82 after President Rodrigo Duterte's party PDP–Laban gained a supermajority in the House of Representatives.

He has eight siblings consisting of four brothers (Antonio, Raymundo Jr., Manuel and Jose) and four sisters (Tomasa, Linda, Nora and Lila).

He married Teresita S. Ruiz, now a retired businesswoman, on December 5, 1959, in the historic San Agustin Church in Intramuros, Manila.

engineer and former Network Operations Manager (cybersecurity), who is presently studying for a formal degree, and whose wife is Nori, a Filipino-American university grants coordinator.

The Dazas have 10 grandchildren: Ryan, Rebecca, Niko, Raul, Jonathan, Mark, Therese, Kyle, Tess, and Connor.