Amends the Open Space Lands Acquisition and Development Act. Provides that a distressed location project that is located within a distressed community shall be eligible for assistance of up to 100% for the acquisition of open space lands and for capital development and improvement proposals that are in conformity with the purposes of the Act. Specifies that a project that is located within a distressed community, regardless of whether the project is located within a distressed location, is eligible for assistance up to 90% for the acquisition of open space lands and for capital development and improvement proposals that are in conformity with the purposes of the Act. Provides that a distressed location project that is not located in a distressed community shall be eligible for assistance of up to 75% for the acquisition of open space lands and for capital development and improvement proposals that are in conformity with the purposes of the Act. Directs the Department of Natural Resources to prioritize the making of grants under the Act for projects that are located in distressed locations and distressed communities. Sets limits on the appropriated amounts that may be used for grants to distressed communities and distressed locations. Repeals a provision that required the Department of Natural Resources to prepare a Distressed Local Government Report. Repeals provisions that define terms. Adds other definitions. Amends the Illinois Administrative Procedure Act. Grants emergency rulemaking powers to the Department of Natural Resources.