He has served as Member of the Kedah State Executive Council (EXCO) in Pakatan Rakyat (PR) administration under Menteri Besar Azizan Abdul Razak from 2008 to 2013 as well as Member of the Kedah State Legislative Assembly for Tokai from March 2004 to May 2018 and Bukit Raya from November 1999 to March 2004.
He wass a member of Malaysian Islamic Party (PAS), a component party of Perikatan Nasional (PN), formerly Barisan Alternatif (BA), Pakatan Rakyat (PR) and Gagasan Sejahtera (GS) coalitions.
[1] Mohamed Taulan Mat Rasul made his electoral debut in 1995 general election for Pendang parliamentary seat, but lost to BN-UMNO candidate Othman Abdul with majority of 1,933.
In 2008 general election, he was re-elected as Tokai assemblyman and appointed as Member of the Kedah State Executive Council from 2008 to 2013.
[2][3] After serving 4 terms in Kedah State Legislative Assembly, he was not nominated to contest in 2018 general election.