Earlier quoted context omitted.
Don't say "No" then, but agree and report to the authorities.
But that would increase the likelihood of losing your job by refusing and decrease the ease of finding a different job?
> "Dear ,
> I hereby bring to your attention that _xyz_ will have the following consequences.
> My suggestion is that you do _zyw_.
> Please notify me how you want to procede."
If he decides to continue doing what he's asking you to do it anyway. He's now the one liable.
I'd advise you to print that email and the response and store it in a folder at home or at your lawyer, bank, whatever.
If they at some point decide to fire you or throw you to the wolves you can be certain that you won't have access to your emails anymore.
It might feel awkward the first couple of times, but afterwards you might end up with a cozy life.