Crossword Genius

Some editor-in-chief is calling regarding the Treasury (6)

Ross

I believe the answer is:

fiscal

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

'some' is the definition.
Although both the answer and definition are adjectives, I cannot understand how one could define the other.

'editor-in-chief is calling regarding the treasury' is the wordplay.
'FISCAL' is hidden within the letters.
However, I'm uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for fiscal that I've seen before include "Relating to taxation" , "dealing with tax" , "Financial; to do with taxes" , "For monetary gain" , "regarding tax" .)

I've seen this clue in The Times.
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