Sanín served as Minister of Communications between 1983 and 1986, appointed by President of Colombia, Belisario Betancur. Among her achievements as minister of Communications Sanín helped to develop Law 42 of 1985 which modernized Television in Colombia and legalized and organized the regional TV networks.
Sanín was a Minister of Communications for Colombia from 1983 to 1986 under President Belisario Betancur. She played a crucial role in modernizing television in Colombia by enacting Law 42 of 1985, which legalized and organized the country's regional TV networks.