I'm not sure what's possible in principle, but the budget statement is clear that the government intends to set up an independent administrative body, so it wouldn't seem consistent with that.
On April 29th, 2019. See this statement in context.
On April 29th, 2019. See this statement in context.
Director General, Personal Income Tax Division, Tax Policy Branch, Department of Finance
I'm not sure what's possible in principle, but the budget statement is clear that the government intends to set up an independent administrative body, so it wouldn't seem consistent with that.
See context to find out what was said next.