Lar ran on the People's Democratic Party (PDP) platform.
As national deputy chairman for the All Nigeria People's Party (ANPP), he sponsored Lar as the successful ANPP candidate in the April 1999 election for the Langtang North and South Federal Constituency of the Federal House of Representatives.
[3] Lar was one of the first politicians to declare his opposition to the bid by President Olusegun Obasanjo to change the constitution to allow for a third presidential term.
[5] In the April 2011 elections, Lar ran for the Plateau South Senatorial seat on the PDP ticket and scored 132,768 votes.
He defeated his former sponsor Jerry Useni of the Democratic People's Party (DPP), who got 97,846 votes, and the incumbent Senator John Shagaya of the Labour Party (LP), who received 72,534 votes.