Scrip-wise delivery disclosure mandated; no delivery period for dematerialised scrips; close-outs use previous-day closing price. Exchanges must publish scrip wise deliverable positions grossed across clients each trading session under compulsory rolling settlement; there will be no 'no delivery' period for scrips traded in compulsory dematerialised mode, and where short deliveries cannot be purchased on a cum basis the Exchange may close out the shortfall. In rolling settlement the reference price for close out procedures shall be the previous day's closing price for the scrip.