C. The authority shall satisfy a southside replenishment obligation for a year by performing one or more of the following replenishment activities, as applicable:

1. 1. For any replenishment obligation, the authority may deliver water acquired by the authority under chapter 14 of this title to the community for direct use or for underground storage and recovery within the reservation. The authority shall not deliver water to the community under this paragraph unless the community agrees in writing to accept the water and specifies in writing the locations, times and quantities of the deliveries.

2. 2. For a replenishment obligation applicable to the western municipal and industrial protection zone or the western municipal protection zone, the authority may extinguish long-term storage credits earned or acquired by the authority under chapter 3.1 of this title, as authorized by chapter 14 of this title, and to which both of the following apply:

   1. (a) The credits were earned within five years before the date the credits are extinguished.
   2. (b) The credits were earned for the storage of water in the western municipal and industrial protection zone or the western municipal protection zone.

3. 3. For a replenishment obligation applicable to the eastern protection zone north or the eastern protection zone south, the authority may extinguish long-term storage credits earned or acquired by the authority under chapter 3.1 of this title, as authorized under chapter 14 of this title, and to which both of the following apply:

   1. (a) The credits were earned within seven years before the date the credits are extinguished.
   2. (b) The credits were earned for the storage of water in the eastern protection zone north or the eastern protection zone south.
4. 4. For any replenishment obligation, the authority may debit the community’s account in the southside replenishment bank established under section 45-2624 in an amount not to exceed the amount of water in the account.