(a) Each tribal organization shall:

(1) Provide each older Indian with a free and voluntary opportunity to contribute to the cost of the service;

(2) Protect the privacy of each older Indian with respect to his or her contribution;

(3) Establish appropriate procedures to safeguard and account for all contributions;

(4) Use all services contributions to expand comprehensive and coordinated services systems supported under this part, while using nutrition services contributions only to expand services as provided under section 307(a)(13)(c)(ii) of the Act.

(b) Each tribal organization may develop a suggested contribution schedule for services provided under this part. In developing a contribution schedule, the tribal organization shall consider the income ranges of older Indians in the service area and the tribal organization's other sources of income. However, means tests may not be used.

(c) A tribal organization that receives funds under this part may not deny any older Indian a service because the older Indian will not or cannot contribute to the cost of the service.