Claiming territories United Nations Convention on the Law of the Sea (UNCLOS): A country has a ten year period to make claims to an extended continental shelf which,if validated,gives it exclusive rights to resources on or below the seabed of that extended shelf area. Ratification(批准)： Norway:1996 Russia: 1997 Canada:2003 三总 端 Denmark:2004United Nations Convention on the Law of the Sea (UNCLOS): A country has a ten year period to make claims to an extended continental shelf which, if validated, gives it exclusive rights to resources on or below the seabed of that extended shelf area. Ratification（批准）: Norway: 1996 Russia: 1997 Canada: 2003 Denmark: 2004 Claiming territories