The general objective of this work is to determine the legal scope of Law 71 of 1988 regarding the pension for contributions, as opposed to the denial of the retirement pension for accumulation of contributions by Colpensiones in the city of Santa Marta; through specific objectives explaining the regulatory framework that frames the transition regime in Colombia, the doctrinal and jurisprudential foundation of this regime and finally develop the jurisprudential evolution of the retirement pension by contributions.