FACTBOX-Sanctions against Iran

(Reuters) - Iranian leaders vowed on Wednesday to press on with nuclear work regardless of any new U.N. sanctions, a day after world powers agreed the outline of a new resolution.

Following are details about what more sanctions could involve and those already imposed by the U.N. Security Council and the United States.

* WHAT COULD MORE U.N. SANCTIONS INCLUDE?

-- World powers agreed on Tuesday on the outline of a third sanctions resolution, but the draft did not contain the punitive economic measures that Washington had been pushing for.

-- Germany said a new draft resolution would call on countries with transport ties to Iran not to transport potentially dangerous materials.

-- Russia and China, both commercial partners of Iran, have hardened their opposition to new sanctions since a U.S. report recently said Iran halted its nuclear weapons programme in 2003.

* WHAT SANCTIONS HAVE BEEN IMPOSED?

UN SANCTIONS:

-- The U.N. Security Council has imposed two sets of sanctions on Iran, in December 2006 and March 2007. Both sets were approved by the five permanent Council members -- the United States, France, Britain, China and Russia -- plus Germany, in the so-called P5+1.