Anonymous participant Condense all the pages via a PDF converter Into one doc or a couple of docs Maybe essential pages only of the self assessment There are some posts about doing this. IlovePDF an app I find useful for PDF.work
Anonymous participant You registered for self assessment? sole traders need to do that. Provide that paperwork. If you have no registration documents then you let them know. You have a tax return? Essentially they want to establish you are operating legit.
Very useful to have in case of connection issues with your phone. Someone posted of an IO requesting to see the printout despite it being shown on their phone.