Governing bodies mistaken in artists’ domain (15)

I believe the answer is:

administrations

I'm a little stuck... Click here to teach me more about this clue!

'governing bodies' is the definition.
'administrations' can be an answer for 'bodies' (administration is a kind of body). I'm not certain of the 'governing' bit.

'mistaken in artists' domain' is the wordplay.
'mistaken' indicates an anagram.
'in'+'artists'+'domain'='inartistsdomain'
'inartistsdomain' is an anagram of 'ADMINISTRATIONS'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.