 The types of "sectores" may vary, from normally "sector" to "urbanización" to "reparto" to "barriada" to "residencial", among others.Spearheaded by then governor Sila María Calderón, Law 1-2001 was passed in 2001, to identify Puerto Rico's marginalized communities.In 2017, then governor Ricardo Rosselló created a new government agency to work with the Special Communities of Puerto Rico Program.