Presidential Determination No. 2012-08: Suspension of Limitations Under the Jerusalem Embassy Act, Memorandum for the Secretary of State, June 1, 2012 [open pdf - 189KB]
"Pursuant to the authority vested in me as President by the Constitution and the laws of the United States, including section 7(a) of the Jerusalem Embassy Act of 1995 (Public Law 104--45) (the 'Act'), I hereby determine that it is necessary, in order to protect the national security interests of the United States, to suspend for a period of 6 months the limitations set forth in sections 3(b) and 7(b) of the Act."
Federal Register: http://www.gpo.gov/fdsys/browse/collection.action?collectionCode=FR
Federal Register (June 22, 2012), v.77 no.121, p.37549