The agency referencing me for a next gig with a bank has requested personal bank statements to cover contract gaps of 3 months or more for the last 5 years. I have had a couple of gaps back in 2012 due to personal health reasons which I don't particularly want to disclose with the agency. It's going to be a pain getting statements from this far back, apart from the fact that it seems very intrusive. What are the reasons for them requesting this firstly? Secondly, I have more than one personal bank account i.e. another one for bills/standing orders. Does it matter which bank statements I provide or from which account, depending on exactly what they are looking for, which I am not sure what that is?