Keep politely requesting all the documents that you want and keep disputing their claim until 'the have provided documentation to support their claim and to show your liability'.(posted 8250 days ago)I kept a copy but sent back the original I&E form with a brief statement to say that I was not prepared to complete it until such time as I was in receipt of the fact, the documents etc etc etc and only then if I and my advisors were completely satisfied as the the legitimacy of their claim.