State Bank of Pakistan (SBP) has directed all banks operating in the country to facilitate the exchange of Rs. 500 old design bills till October 1. An official of SBP said that the last date for exchanging banknotes from the field offices of SBP Banking Services Corporation (SBP BSC) and branches of all private banks is October 1. National Bank of Pakistan (NBP) Chests/Sub-Chests have been advised to display posters/banners regarding the last date for the acceptance of the demonetized Rs. 500 old design and bigger sized banknotes, at public counters and other visible places in and outside their branches, SBP and SBP BSC will neither exchange nor be liable to pay any damages against old Rs 500 banknotes after October 1.