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In case you are not aware, your real name appears to be showing in the forum, if you want to change this then follow the instructions in the following FAQ
My full name is showing, how can I stop it? You sister-in-law can challenge the Decision that she is Fit for Work.
The first stage to doing this is to request a Mandatory Reconsideration which requires a new Decision Maker to look at all of the evidence to see if they can make an award, unfortunately she will not be paid while this happens.
Have a look at our ESA MR & Appeal guide for more information, there are also template letters and submission that you can use on the following link.
www.benefitsandwork.co.uk/help-for-claimants/esa If you have more questions, please reply to this post.
Gordon