Demanded piece of chicken for Cedric (8)

I believe the answer is:

enforced

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'demanded piece' is the definition.
Although both the answer and definition are past participle verbs, I don't see how one could define the other.

'of chicken for cedric' is the wordplay.
'of' indicates a hidden word.
'ENFORCED' can be found hidden inside 'chicken for cedric'.

Can you help me to learn more?

(Other definitions for enforced that I've seen before include "Taken effect" , "'Compelled observance of, a law say (8)'" , "Corn feed (anag)" , "Compulsory" , "Imposed" .)

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

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