INTERPOL Authorities Act of 1988 - Authorizes the Attorney General to: (1) make payments from Department of Justice appropriations for the periodic hosting of the annual meeting of the General Assembly of INTERPOL and for the periodic sponsorship of INTERPOL meetings; (2) make gifts to individuals and organizations in connection with official INTERPOL activities (with specified conditions and limitations); and (3) solicit and accept gifts for the benefit and support of the United States National Central Bureau of INTERPOL.

Directs the Attorney General to: (1) promulgate rules for soliciting, accepting, and giving gifts pursuant to this Act; and (2) submit annual reports to the Congress regarding all gifts accepted or given pursuant to this Act.