Tiracie
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Welcome to Benefits and Work You need to be able to complete each PIP activity "reliably" and "on the majority of days", these terms are defined in our PIP Claim guide. So your ability to wear the prosthetic will have an effect on both of these terms.
www.benefitsandwork.co.uk/help-for-claimants/pip I think a prosthetic would be an appliance rather than an aid as it replaces a bodily function rather than assisting in completing an activity.
Gordon
