A. The authority shall act as agent for this state in meeting this state's obligation to deliver water in times of shortage pursuant to Public Law 108-451, fulfilling the requirements of sections 105, 207(c)(I)(ii) and 302(b)(8), and the Indian firming measures established pursuant to this article. In carrying out this obligation the authority may:

1. 1. Store water at permitted recharge facilities for the purpose of Indian firming.
2. 2. Purchase long-term storage credits for the purpose of Indian firming using the funding sources identified in subsection B of this section but only after the authority has stored or scheduled for storage all available excess central Arizona project water or when central Arizona project water is otherwise unavailable or undeliverable.
3. 3. Enter into contracts or agreements with the United States and Indian communities for storage, recovery or direct delivery of water for Indian firming.
4. 4. Enter into leasing agreements with one or more Indian communities in partnership with other entities for non-Indian agricultural priority or Indian priority central Arizona project water.
5. 5. Enter into contracts for the use of water sources including Colorado river water, surface water other than Colorado river water and effluent.
6. 6. Enter into contracts with eligible entities for the use of imported groundwater from allowable groundwater basins pursuant to sections 45-552, 45-553 and 45-554 for the purposes of Indian firming.
7. 7. Enter into agreements with a multi-county water conservation district established pursuant to title 48, chapter 22 for delivery of water to Indian communities.
8. 8. Subject to periodic review of progress toward meeting this state’s Indian firming obligation, allow for the use of existing long-term storage credits developed from withdrawal fees collected pursuant to section 45-611, subsection C, paragraph 3.
9. 9. Transfer long-term storage credits to a multi-county water conservation district established pursuant to title 48, chapter 22 for recovery and subsequent delivery to Indian communities in times of shortage.
10. 10. Enter into agreements for the recovery of long-term storage credits for purposes of Indian firming.

B. Indian firming measures established pursuant to this article shall include funding from the following sources:

1. 1. Legislative appropriations provided for Indian firming on an annual basis to carry out Indian firming measures.
2. 2. To the extent necessary to carry out Indian firming measures after expenditure of legislative appropriations, the authority may use withdrawal fees collected from the Phoenix, Pinal and Tucson active management area water management accounts.