Margin for Derivative Contracts: AD Category I banks may post and collect specified margins for cross border derivatives. Authorised Dealer Category I banks may post and collect margin for permitted derivative contracts with non residents: in India in Indian currency, freely convertible foreign currency, government debt securities, and listed AAA rated rupee bonds; outside India in freely convertible foreign currency and sovereign debt securities with specified high credit ratings (lowest rating to be reckoned where multiple ratings exist). Banks may conduct such activity on own account or for customers, receive and pay interest on margin, and must maintain a separate account in the name of persons resident outside India for cash margin in India.