The notification by the Department of Economic Affairs says the demonetised notes of Rs 500 and Rs 1,000 may be deposited by "such Bank, Post Office or District Central Cooperative Bank, as the case may be, in any office of the Reserve Bank, within a period of 30 days from the commence of these rules, and get the exchange value thereof by credit to the account such Bank, Post Office, or District Central Cooperative Bank, as the case may be, subject to the satisfaction of the Reserve Bank of the conditions specified in the said Notification and the reasons for non-deposit of the specific bank notes within the period under that notification".