Official coming to the end of period in office? (4,4)

I think it could be either:

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4,4

lame duck

(Other definitions for lame duck that I've seen before include "Ineffectual person or thing" , "Helpless figure" , "Inefficient or helpless person" , "Limping water-bird, a government set to go say" , "Person losing power towards the end of a term of office" .)

I've seen this clue in The Guardian.

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