For a variety of reasons, a claimant or respondent may wish or need to: • make amendments to the contents of their ET1 claim form or ET3 response form or reply (to an employer’s counterclaim) after the initial lodging of the original version of the document with the tribunal, and/or • provide information additional to that already contained in the claim or response or reply (each commonly known as a ‘pleading’) so as to elaborate upon the pleading (sometimes referred to in litigation generally as providing 'further and better particulars') In the broadest of terms, when an employment tribunal is deciding whether or not to allow an application to amend a pleading, it should generally: • identify the amendment or amendments sought, which should be in writing, and • in express terms, balance the injustice and/or hardship of allowing or refusing the amendment or amendments, taking account of all the relevant factors, including, to the extent appropriate, those referred to in the case of Selkent (as described