But a few weeks later, Wong Soon Koh and four state assemblymen quit TERAS to join United People's Party (UPP), an offshoot of SUPP.

An arrangementcomponent was made between TERAS and Barisan Nasional for the division of seats contested in the 2016 Sarawak state election.

[4][5] On 11 May 2016, TERAS had decided and supposed to be officially dissolved itself in order to allow their members, who won as direct BN candidates, to join any component party of the coalition.

[7] On 28 October 2021, Banyi Beriak, who was TERAS initial Secretary General when it was formed in 2013 before quitting in 2018 to join UPP and PSB later, announced he had left PSB to return to TERAS to take over the president post of the party.

[8] He also announced it would field candidates in up-coming 2021 Sarawak state election then in December 2021 but only to be scrapped for lacking of preparation by the party.