appreciate the lengths that true journalists abide by...including "Unnamed Sources"...
If you rely on FOX (the folks who have yet to apologize to anyone for Knowingly Lying about Dominion Voting Machines and "Stolen Election" claims in 2020), you'll only find amorphous corporate level 'Policies'...not the detailed standards that WaPo and the NYT publish.
You make very poor choices for media input.
Link: https://www.washingtonpost.com/policies-and-standards/