(a)
No Federal funds for enhancements— No Federal funds may be obligated or expended for the design, procurement, preparation, installation, or maintenance of commemorative elements authorized under section 5.
(b)
Donations— The Secretary may accept and expend contributions of non-Federal funds and in-kind donations for the purposes of this Act.
(c)
Maintenance amount— Amounts received for commemorative elements shall include the maintenance and preservation amount required by section 8906(b)(1) of title 40, United States Code.
(d)
Excess funds— If, after payment of all expenses (including the amount required by section 8906(b)(1) of such title), there remains a balance of funds received for the purposes of this Act, the Secretary shall deposit such balance with the National Park Foundation in a separate account to be available to the Secretary in accordance with section 8906(b)(4) of such title.
(e)
No effect on transportation funding— Nothing in this Act prohibits the use of Federal-aid highway, National Park Service, or other Federal funds for the operation, maintenance, rehabilitation, repair, safety improvements, or replacement of Arlington Memorial Bridge or its approaches, except with respect to the commemorative elements authorized by section 5.