(a) All hospitals shall select one of the following options relative to the registration of cancer patients seen in their hospital:
(b) Hospitals selecting option 2 shall notify the State Agency in writing of their selection no later than July 1, 1998.
(c) Option selection may be reviewed and/or changed after July 1, 1998 by hospital authority or by State Agency by providing thirty (30)days written notice.
048-2 Wyo. Code R. § 2-4