disclaim
verb [ T ]
uk/dɪsˈkleɪm/ us LAW
to state that you are not legally responsible for something:
disclaim responsibility/liability for sth A restaurant may disclaim responsibility for loss or damage to a customer's personal property.
to refuse to accept a property or right that is offered to you:
Businesses will be able to disclaim all or part of the new capital allowance if they wish.
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claim verb