Association of Contingency Planners - South Texas Chapter: Program: A scenario-based mock-disaster exercise for a multinational organization using one of today's most concerning and evolving threats. Tax and Immigration Consequences for Foreign Nationals: Ajmal A. Rahim, senior counsel of Chamberlain Hrdlicka, will discuss immigration compliance and enforcement matters and address the tax consequences for foreign nationals. Various visa options and possible expatriation of U.S.