Based on a letter to clients over the weekend, it appears Dutch megabank ABN Amro is changing its precious metals custodian rules and "will no longer allow physical delivery." Have no fear, they reassuringly add, your account will be settled at the bid or offer price in the 'market' and "you need to do nothing" as "we have your investments in precious metals."

http://www.zerohedge.com/news/2013-03-24/another-gold-shortage-abn-halt-physical-gold-delivery