In administering the program, the board shall not do any of the following:

1. (a) Fund or implement projects on lands without the written consent of the landowner.
2. (b) Manage, regulate, or control the use of any land owned or leased by another public agency or private party, except as provided pursuant to a written agreement between that public agency or private party.
3. (c) Levy any tax or special assessment.
4. (d) Provide grants or take other actions that are inconsistent with the American River Parkway Plan, the Bushy Lake Preservation Act (Chapter 9 (commencing with Section 5830) of Division 5), or the Urban American River Parkway Preservation Act (Chapter 10 (commencing with Section 5840) of Division 5).
5. (e) Own or acquire land.