The bank is entitled to make reasonable enquiries to ascertain you identity assuming that is necessary.  Of course if you are already a customer and they have you on record then it is completely unnecessary.  however they are not entitled to impose a particular form of identity verification on you and if you can verify your identity by  other means than they are bound to accept that.   Not only that, the 30-day deadline for responding to an Sar  begins from the date that they rece