Remulla successfully ran in the Congressional
elections of May 2001 against his veteran rivals, joining fellow ABS-CBN co-anchor
Ted Failon of
Leyte. Being one of the youngest members of
Congress of the Philippines, the time he has spent in office has been marked by comments about his relative youth in comparison to majority of the members of Congress. He was an author or co-author of the following laws - Republic Act 9165, or the Dangerous Drugs Act of 2002, and Republic Act 9287, or the Act Increasing the Penalty for the Illegal Numbers Game. He has also authored House Bill No. 185 seeking the abolition of the
Sangguniang Kabataan and replacing it with a youth representative; House Bill No. 2452 which seeks to lower the cost of
cellular phone usage and House Bill No. 5310 which aims at minimizing the use of plastic bags and plastic utensils that damage the environment. He was the one of the members of so called
Brat Pack led by NPC stalwart
Chiz Escudero who have a failed attempt to impeach
Hilario Davide Jr. in November 2003. He ran again in 2004 and won, but lost his reelection bid for his third and final term in 2007 to then-
Dasmariñas mayor
Elpidio Barzaga Jr. On January 23, 2008, former
Senate President Ernesto Maceda, chairman
emeritus of
United Opposition (UNO) announced that Remulla, UNO spokesman
Adel Tamano, incumbent
Bukidnon congressman
Teofisto Guingona III, incumbent Senators
Jinggoy Estrada and
Jamby Madrigal are the 2010 senatorial bets of the opposition and "vice presidential materials.” He ran for
senator as a
Nacionalista in the
May 10, 2010, Senate election but lost. In
2013 he ran again for congressman, but this time in the 7th district due to his brother
Boying is term limited and he ran for mayor of
Tagaytay, under the Nacionalista banner,
Lakas and the
United Nationalist Alliance (UNA). He lost to then-Tagaytay Mayor
Bambol Tolentino, a
Liberal. He was appointed as one of directors of
PAGCOR's board of directors in 2022. ==Personal life==