https://www.sat.gob.mx/declaracion/26984/declaracion-mensual-en-el-servicio-de-declaraciones-y-pagos?fbclid=IwAR3l4kZCK7yEfNZs7xuzNhhXB7CD4eXRjZ_wxle8SUpZGsDK1z1EzQbL7No
https://www.elcontribuyente.mx/2021/03/el-sat-publico-la-1a-miscelanea-fiscal-2021-3a-version-anticipada/?fbclid=IwAR27kCUjmjEt8DMcfT81HqQhKv6zWzvcI4XaDZ6RWT4NkSFLwt8-fWyppZY
https://www.sat.gob.mx/noticias/01993/correos-apocrifos-identificados?fbclid=IwAR2fGM0ei_MAONsm0RUfms1CPjUv_xbpR40TtkH7W4hwa74wD1NklHWU4HI
https://idconline.mx/corporativo/2021/03/09/que-empresas-deben-inscribirse-en-el-siem?fbclid=IwAR0sYOR5m8aFz7mqsPj-WfXuBc-43wBPXBrvIpJ8kDwxJMP9mtU1hExBqTg
https://idconline.mx/corporativo/2021/03/09/que-empresas-deben-inscribirse-en-el-siem?fbclid=IwAR0sYOR5m8aFz7mqsPj-WfXuBc-43wBPXBrvIpJ8kDwxJMP9mtU1hExBqTg