Is the IRS really a foreign private corporation / trust of the International Monetary Fund (IMF) / Federal Reserve (FED)?

"Most people living in the USA have no clue that the Internal Revenue Service (IRS) is a foreign agency.

To be more accurate, the IRS is a foreign private corporation of the International Monetary Fund (IMF)"
https://wariscrime.com/new/know-irs-foreign-private-corporation/

"the IRS is a foreign private corporation of the IMF (International Monetary Fund)."

"The Internal Revenue Service is incorporated in Puerto Rico and is the private collection agency for the Federal Reserve Bank."
https://www.reddit.com/r/conspiracy/comments/5ojc5y/is_it_true_that_the_irs_is_private_corporation_in/

The IRS is a privately owned company based out of Puerto Rico
http://www.abovetopsecret.com/forum/thread478832/pg1

IRS Exposed: IRS is a privately owned Puerto Rican trust.
https://nesaranews.blogspot.com/2012/07/irs-exposed-irs-is-privately-owned.html?m=1