(2)__Constructing or financing the development of new community industrial buildings, as defined in Title 5, section 13120-B, to be located within Piscataquis County;

(3)__Redevelopment of existing structures located within the county for commercial, industrial or mixed use;

(4)__Construction, financing or operating assistance to necessary publicly owned transportation facilities, including facilities for passenger and cargo transportation;

(5)__Provision of local matching funds for any state or federal transportation project, community development grant or rural development grant to the county or any of its municipalities, intended to achieve purposes substantially similar to those listed in subparagraphs (1) to (4);

(6)__Financial participation in any economic development project organized or funded on a regional basis by 2 or more political subdivisions or state or federal agencies.__For this purpose, the county commissioners may provide assistance to a regional project to be located in whole or in part outside of Piscataquis County only upon a finding by the commissioners that the project will confer a substantial economic benefit on Piscataquis County;

(7)__Funding the annual salary and operating expenses of a county economic development officer, development agency or development office; and

(8)__Necessary contractual services for any of the purposes stated in this paragraph.

B.__All borrowing by the county commissioners for the purposes of this section is subject to the following limitations.