42 C.F.R. § 124.707
(a) Conditions of the waiver. The Secretary may waive the recovery rights of the United States arising under § 124.703(a) if the entity to which the facility was sold or transferred:
(b) Procedures for obtaining waiver.
(1) Within 30 days after the date of receipt of the information described in § 124.704(b), the Secretary will send a letter to the new owner of the facility advising of the United States' right of recovery and the opportunity to obtain a waiver. For the purpose of advising the new owner of the amount to be placed in the irrevocable trust should the owner wish to obtain a waiver, the letter will also state the dollar amount of the remaining uncompensated care obligation and the amount that would be due under § 124.705, computed as follows:
(i) Computation of uncompensated care obligation.
(2) Within 60 days following the date of the Secretary's letter provided pursuant to paragraph (b)(1) of this section, the owner of the facility shall notify the Secretary in writing that it either:
(c) Establishment of the trust.
(1) Within 60 days of the date of its acceptance of a waiver under paragraph (b)(2) or (b)(4) of this section, the owner shall begin delivering services to those unable to pay in accordance with subpart F of this part under an irrevocable trust established in the amount calculated pursuant to paragraph (b) of this section. Provided, That
(d) Use of the trust. The corpus and income of the irrevocable trust shall be used to pay for the costs of uncompensated services, which may include reasonable costs of establishing and administering the trust and the cost of the independent audit described in paragraph (b)(1)(i) of this section, until the trust is exhausted.
(Approved by the Office of Management and Budget under control number 0915-0099)