16 U.S. Code § 6208 - Payment of cabin user fees
If, in accordance with section 6206 of this title, the Secretary determines that the amount of a new base cabin user fee is equal to or less than the amount of the current base cabin user fee, the Secretary shall require payment of the new base cabin user fee by the cabin owner in accordance with subsection (a) of this section.
Pub. L. 113–291, div. B, title XXX, § 3024(k), Dec. 19, 2014, 128 Stat. 3766, provided that, effective on the date of the assessment of annual permit fees in accordance with section 6214(f) of this title (as certified to Congress by the Secretary of Agriculture), this section is repealed.