>WHAT IS HAPPENING?
What is happening is that you are revealing yourself to be a Newfag who is just now learning that all presidents use 'memoranda on the delegation of certain functions' routinely. Here's a couple from POTUS Trump:
https://trumpwhitehouse.archives.gov/presidential-actions/memorandum-delegation-functions-authorities-sanctioning-use-civilians-defenseless-shields-act/
https://trumpwhitehouse.archives.gov/presidential-actions/memorandum-delegation-functions-authorities-section-1260j-national-defense-authorization-act-fiscal-year-2020/