Ircc will not trigger audits or re assessments on CRA side. What happens is that ircc requests from CRA information in order assess requirements for the candidate. See here: https://www.canada.ca/en/revenue-agency/services/about-canada-revenue-agency-cra/protecting-your-privacy/privacy-impact-assessment/income-verification-services-v-3.html
That said, probably not the smartest thing to obtain citizenship from a country you are fiscally defrauding as your assets will be more easily targeted..
That said, probably not the smartest thing to obtain citizenship from a country you are fiscally defrauding as your assets will be more easily targeted..