[runjake]

I was merely answering the parent's comment, which they seem to have significantly edited after the fact.

But no, there is no "all things included" security clearance.

And you're right, POTUS does not normally have access to tax returns information, per 26 U.S.C. § 6103:

https://codes.findlaw.com/us/title-26-internal-revenue-code/...