The regional map of regulatory efforts in TV White Spaces (TVWS) shows two specific cases: Colombia, which published the regulations in 2017, and Trinidad and Tobago, which did so a year later. Martha Suárez, president of the DSA (Dynamic Spectrum Alliance), confided to Convergencialatina that other advanced countries in spectrum sharing regulation - of which TVWS is an alternative - are Mexico, Ecuador and Peru, in addition to Brazil that has it in its 2020 agenda.