Yes. The commissioner of the IRS is appointed by the President (current one appointed by Trump) and can be dismissed at any time without cause. So if you want t

Yes. The commissioner of the IRS is appointed by the President (current one appointed by Trump) and can be dismissed at any time without cause. So if you want to continue in that role, you will do what the President wishes. You can always resign if you find the instructions not to your liking, of course. Richard Nixon demanded that the IRS investigate his enemies, but the IRS commissioner at the time refused to do so and eventually testified against Nixon on this issue.