Last seamstress to take those up noted restrictions (4)

I believe the answer is:

bans

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'restrictions' is the definition.
Although both the answer and definition are plural nouns, I don't see how one could define the other.

I don't understand the rest of the clue.

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(Other definitions for bans that I've seen before include "Forbids" , "Prohibiting decree" , "Officially prohibits" .)

I've seen this clue in The Irish Times.

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