Rs 500 old design banknote and Rs 5 banknote will stand demonetized with effect from 1st October 2011 and 1st January 2012 respectively. The State Bank of Pakistan (SBP) has, therefore, advised the general public to exchange Rs 500 bigger size old design banknote latest by September 30, 2011 and Rs 5 banknote by 31st December, 2011 from the field offices of SBP Banking Services Corporation (BSC) and branches of commercial banks operating throughout the country.