(a) List of sectors (1) In general Not later than 120 days after the date of the enactment of the Iran Nonnuclear Sanctions Act of 2017 , and not less frequently than once every 180 days thereafter, the President shall submit to the appropriate committees of Congress and publish in the Federal Register a list of the sectors of the economy of Iran that are directly or indirectly facilitating, supporting, or involved with the development of or transfer to Iran of ballistic missiles or technology, parts, components, or technology information relating to ballistic missiles. (2) Certain sectors (A) In general Not later than 120 days after the date of enactment of the Iran Nonnuclear Sanctions Act of 2017 , the President shall submit to the appropriate committees of Congress a determination as to whether each of the automotive, chemical, computer science, construction, electronic, energy, metallurgy, mining, petrochemical, research (including universities and research institutions), and telecommunications sectors of Iran meet the criteria specified in paragraph (1). (B) Inclusion in initial list If the President determines under subparagraph (A) that the sectors of the economy of Iran specified in such subparagraph meet the criteria specified in paragraph (1), that sector shall be included in the initial list submitted and published under that paragraph. (b) Sanctions with respect to specified sectors of Iran (1) Blocking of property (A) In general The President shall, in accordance with the International Emergency Economic Powers Act ( 50 U.S.C. 1701 et seq.), block and prohibit all transactions in all property and interests in property of any person described in paragraph (4) if such property and interests in property are in the United States, come within the United States, or are or come within the possession or control of a United States person. (B) Inapplicability of national emergency requirement The requirements under section 202 of the International Emergency Economic Powers Act ( 50 U.S.C. 1701 ) shall not