State law has limits that may restrict awards to below that amount. Some African countries restrict or forbid dual citizenship. Local regulations may restrict certain channels from operation. Scientists worry that such legislation would restrict further work. Many countries restrict or ban online gambling. Reduced thoracic size can restrict lung growth and reduce pulmonary function. They will also severely restrict or refuse coverage of pre-existing conditions. Such participation does not restrict one's choices in any way. Therefore, we can further restrict the set of candidates to those arrangements. The Budget Control Act could potentially restrict funds by 2020. Some states, however, do restrict certain business activities on some holidays. Closed clubs restrict their membership to specific groups. Free trade is a trade policy that does not restrict imports or exports. For civil investigations, in particular, laws may restrict the abilities of analysts to undertake examinations. Additionally, they restrict who is allowed in hotel rooms.