PAL was founded on 17 August 1976 by Marvin Wright Lindo, a radical trade union leader with links to groups such as Socialist Workers Organization and the Workers' Party.

It became a notable force amongst the banana plantation workers at the Atlantic coast.

Delroy Carl Senior Grant is the General Secretary and Fredrick Patterson Bent is the treasurer.

[2] It is currently contesting the 2018 general election for a seat in Limon's representation in the Legislative Assembly.

This article about a Costa Rica political party is a stub.