Foreign Influence; Requires agents of foreign principals & foreign-supported political organizations to register with Division of Elections; provides registration requirements; requires periodic updates by such agents & organizations; requires foreign supported political organizations to register with division on specified form created by division within specified timeframe; provides requirements for such forms; prohibits specified persons from soliciting or accepting anything of value from foreign country of concern; requires Commission on Ethics to adopt certain rules by specified date; prohibits certain activities encouraging affiliations with foreign countries of concern; requires Department of Commerce to publish & update certain information on its website; removes Florida-China Institute from list of linkage institutes; prohibits linkage institute from entering into agreement or participating in activity with foreign country of concern; requires certain agreements to be terminated by specified date; prohibits certain entities with access to critical infrastructure facilities from entering into certain contracts with foreign principals; etc.