; and (5) reaffirms its resolute support for the Ukrainian people and their territorial and maritime sovereignty. 4. Sanctions imposed (a) In general Not later than 90 days after the date of the enactment of this Act, the President shall impose the sanctions described in subsection (b) with respect to 24 individuals who are senior officers of the Border Service or the Federal Security Service of Russia, with respect to the families of such senior officers, and with respect to any person the President determines is a close associate of any such senior officer. (b) Sanctions described The sanctions described in this subsection are the following: (1) Asset blocking The exercise of all powers granted to the President by the International Emergency Economic Powers Act ( 50 U.S.C. 1701 et seq.) to the extent necessary to block and prohibit all transactions in all property and interests in property of a person subject to sanctions imposed pursuant to subsection (a) 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. (2) Exclusion from the United States In the case of an individual subject to sanctions imposed pursuant to subsection (a), denial of a visa to, and exclusion from the United States of, such individual, and revocation, in accordance with section 221(i) of the Immigration and Nationality Act ( 8 U.S.C. 1201(i) ), of any visa or other documentation of the individual. (c) Termination