>>>12452177 POTUS EO - He does not usually finish the EOs this way
Yes he does, check other proclamations.
e.g.
https://www.whitehouse.gov/presidential-actions/proclamation-suspension-entry-immigrants-nonimmigrants-continue-present-risk-united-states-labor-market/
https://www.whitehouse.gov/presidential-actions/proclamation-national-slavery-human-trafficking-prevention-month-2021/
https://www.whitehouse.gov/presidential-actions/