Rate on date of advertisement Selling rate notified by the State Bank of Pakistan on the date of opening of bids Buying rate on date of award Average rate of previous month
Do not change the substance of the bid, and both request and response must be in writing May be oral if urgent May add missing documents of substance May modify the price if lower
Large and complex contracts where technically unequal proposals are likely Procurement of standard items Petty purchases Procurements where price is the only criterion
