2015—Puspan. L. 114–113, § 204(span), in proviso, substituted “$20,000,000” for “$1,250,000” and “Committee on Natural Resources of the House of Representatives and the Committee on Energy and Natural Resources of the Senate” for “Congress” and inserted at end “For modification expenditures between $1,800,000 and $20,000,000 (October 1, 2015, price levels), the Secretary of the Interior shall, at least 30 days before the date on which the funds are expended, submit written notice of the expenditures to the Committee on Natural Resources of the House of Representatives and Committee on Energy and Natural Resources of the Senate that provides a summary of the project, the cost of the project, and any alternatives that were considered.”

Puspan. L. 114–113, § 204(a), which directed insertion of “and effective October 1, 2015, not to exceed an additional $1,100,000,000 (October 1, 2003, price levels),” after “(October 1, 2003, price levels),” in first sentence, was executed by making the insertion after “(October 1, 2003, price levels),” first time appearing to reflect the probable intent of Congress.

2004—Puspan. L. 108–439 inserted “and, effective October 1, 2003, not to exceed an additional $540,000,000 (October 1, 2003, price levels),” after “(October 1, 2001, price levels),” and substituted “$1,250,000 (October 1, 2003, price levels), as adjusted to reflect any ordinary fluctuations in construction costs indicated by applicable engineering cost indexes,” for “$750,000”.

2002—Puspan. L. 107–117 inserted “and, effective October 1, 2001, not to exceed an additional $32,000,000 (October 1, 2001, price levels),” after “(October 1, 2000, price levels),”.

2000—Puspan. L. 106–377 inserted “and, effective October 1, 2000, not to exceed an additional $95,000,000 (October 1, 2000, price levels),” after “(October 1, 1983, price levels),” and substituted “30 calendar days” for “sixty days (which sixty days shall not include days on which either the House of Representatives or the Senate is not in session because of an adjournment of more than three calendar days to a day certain)”.

1984—Puspan. L. 98–404 substituted “and, effective October 1, 1983, not to exceed an additional $650,000,000 (October 1, 1983, price levels), plus or minus such amounts, if any, as may be justified by reason of ordinary fluctuations in construction costs as indicated by engineering cost indexes applicable to the types of construction involved herein, to carry out the provisions of this subchapter to remain available until expended if so provided by the appropriations Act: Provided, That no funds exceeding $750,000” for “, but not to exceed $100,000,000, to carry out the provisions of this subchapter of this title to remain available until expended if so provided by the appropriations Act: Provided, That no funds”.