Wyoming constitution
Article 16: public indebtedness
Section 13

Notwithstanding any other provision in this constitution, the legislature may authorize counties or incorporated municipalities, to appropriate from local sources of revenue such funds as may be deemed necessary for an economic or industrial development project or program, public or private, subject to approval by a vote of the majority of the registered voters of the county or municipality voting upon the question. For purposes of this section, "funds from local sources of revenue" means funds raised from general taxes levied by the county or municipality and shall not include any funds received by the county or municipality which are derived from state or federal sources.