As used in this title the following terms shall mean:

1. "Land acquisition projects" means open space acquisition projects undertaken with willing sellers including, but not limited to, the purchase of conservation easements, undertaken by a municipality, a not-for-profit corporation, or purchase of conservation easements by a soil and water conservation district.

2. "Municipality" means the same as such term as defined in section 56-0101 of this chapter.

3. "Not-for-profit corporation" means a corporation formed pursuant to the not-for-profit corporation law and qualified for tax-exempt status under the federal internal revenue code.

4. "Soil and water conservation district" means the same as such term as defined in section three of the soil and water conservation districts law.

5. "State assistance payment" means payment of the state share of the cost of projects authorized by this title to preserve, enhance, restore and improve the quality of the state's environment.