(1) At the time of the arrangement for a cremation performed by any person licensed pursuant to this chapter, the person contracting for cremation services shall be required to designate her or his intentions with respect to the disposition of the cremated remains of the deceased in a signed declaration of intent which shall be provided by and retained by the funeral or direct disposal establishment. A cremation may not be performed until a legally authorized person gives written authorization for such cremation. The cremation must be performed within 48 hours after a specified time which has been agreed to in writing by the person authorizing the cremation.
(2) With respect to any person who intends to provide for the cremation of the deceased, if, after a period of 120 days from the time of cremation the cremated remains have not been claimed, the funeral or direct disposal establishment may dispose of the cremated remains. Such disposal shall include scattering them at sea or placing them in a licensed cemetery scattering garden or pond or in a church columbarium or otherwise disposing of the remains as provided by rule.
(3) Pursuant to the request of a legally authorized person and incidental to final disposition, cremation may be performed on parts of human remains.
(4) In regard to human remains delivered to the control of the anatomical board of this state headquartered at the University of Florida Health Science Center, the provisions of this subsection and chapter shall not be construed to prohibit the anatomical board from causing the final disposition of such human remains through cremation or otherwise when performed in facilities owned and operated by such anatomical board or the University of Florida Health Science Center pursuant to and using such processes, equipment, and procedures as said anatomical board determines to be proper and adequate.