; and (2) not later than two years after the date of the enactment of this section, finalize regulations, or amend existing regulations, to implement this section. (i) Existing vegetation management, facility inspection and operation and maintenance plans Nothing in this section requires an owner or operator to develop and submit a vegetation management, facility inspection, and operation and maintenance plan if one has already been approved by the Secretary or Secretary of Agriculture before the date of the enactment of this section. . (b) Clerical amendment The table of sections for the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1761 et seq.), is amended by inserting after the item relating to section 511 the following new item: Sec. 512. Vegetation management, facility inspection, and operation, and maintenance relating to electric transmission and distribution facility rights-of-way. .