See, if you had chosen your accountant with vigor, you'd have found one that uses a canary trap that daily sends you an email that no government agency inquired about you today and then just don't send an email on the day they did. Make 'em earn their money!
That works great until your account has an accident and requires emergency surgery or something, and then you panic for no reason
At least in the EU an account knowing filing tax evasion reports would lose their license and can be criminally charged.