Margin Requirements For Non-Centrally Cleared Derivatives

http://www.bis.org/publ/bcbs261.pdf

4.1 National supervisors should develop their own list of eligible collateral assets based on the key principle, taking into account the conditions of their own markets.  As a guide, examples of the types of eligible collateral that satisfy the key principle would generally include:
* Cash;
* High-quality government and central bank securities;
* High-quality corporate bonds;
* High-quality covered bonds;
* Equities included in major stock indices; and
* Gold