Except as otherwise provided in this section, the Division exclusively shall negotiate the acquisition of land for any public improvement. The Division shall make each State acquisition in the name of: the unit of the State government; or the principal department of the State government to which the unit belongs. The Division is not responsible for acquiring land for a local project. The Division is not responsible for developing any acquired land. Development of any land acquired under Program Open Space is the responsibility of the unit of the State government. The provisions of this section and §§ 4–413 through 4–416 of this subtitle do not apply to land acquired by the Department of Natural Resources under Title 1, Subtitle 1 of the Natural Resources Article.