[4] Livingston was a district-level delegate to the 2016 Republican National Convention from Arizona,[5] where he supported Ted Cruz.

[6] In February 2019 Livingston introduced SB 1475, which originally would have required teachers and real estate agents (and others who are required to provide fingerprints as part of licensing) to provide their DNA samples for a state DNA database.

[8] In 2012, with incumbent Republican Representative (and former State Senator) Jack Wesley Harper deciding to not run for re-election to the Legislature, instead throwing his support behind Livingston Phil Lovas, Livingston ran in the three-way August 28, 2012 Republican primary, placing second with 13,000 votes,[9] and won the first seat in the November 6, 2012 general election with 60,093 votes above Lovas and independent write-in candidate Pat White.

[10] In 2014 Livingston and Lovas were unopposed in the Republican primary and won reelection against Democrats Larry Woods and Bonnie Boyce-Wilson, Independent Fred Botha and Americans Elect candidate Suzie Easter with Livingston winning 41,832 votes.

[11] In 2016 Livingston and Lovas were unopposed in the Republican primary and won reelection against Democrat Manuel Hernandez in the general election.