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https://accounter.co/normatividad/conceptos/industria-y-comercio-base-aiu-vigilancia-servicios-temporales-aseo-y-cafeteria-concepto-1229-shd-de-2017.html
Industria y comercio base AIU Vigilancia, servicios temporales, aseo y cafeteria. Concepto 1229 SHD de 2017