If, for any plan year beginning on or after October 1, 2006, the amounts transferred under section
9705
(b) are less than the amounts required to be transferred to the Combined Fund under subsection (h)(2)(A) or (i) of section
402 of the Surface Mining Control and Reclamation Act of 1977 (
30 U.S.C.
1232)), then the unassigned beneficiaries premium for any assigned operator shall be equal to the operator’s applicable percentage of the amount required to be so transferred which was not so transferred.