Bank Statements

<p>I wished to purchase a 100 Gig Data bundle - paid for IN FULL up front (value R3199) - for 12 months.</p> <p>I understand the requirement for my ID and Proof of Residence, but WHY 3 MONTHS BANK STATEMENTS???? </p> <p> </p> <p>What have my banks statement got to do with a FULL, UPFRONT PAYMENT????</p> <p> </p>