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A bill to amend an Act to add certain lands on the Island of Hawaii to Hawaii Volcanoes National Park, and for other purposes.

Public Law 99-564 · S. 2320 · 99th Congress · began in the Senate

Signed by Ronald Reagan (R) on Oct 27, 1986 · Public Lands and Natural Resources

Sponsor: Sen. Daniel Inouye (D-HI)

Cosponsors (1): Sen. Spark Matsunaga

Passage votes

  • HouseVoice vote
  • SenateVoice vote
Data notes

The final version of the law, as each chamber passed it. A chamber that passed it by voice vote or unanimous consent has no count. “Method not stated” means the record does not say how the chamber voted. Where the record has a member-by-member vote, the “Who voted for it” section shows who voted yea.

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Summary

The Congressional Research Service’s plain-language summary of what the law does.

Authorizes the Secretary of the Interior to acquire by donation or exchange the Hawaii Volcanoes National Park, Hawaii. Authorizes appropriations.

Committees

The committees the bill was sent to, and what each did with it.

Data notes

A committee links to its page only where it exists in the current Congress; older and renamed committees are named without a link.

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Timeline

From introduction to signing, newest first: the committees, the floor and the president. 18 actions.

  1. Oct 27, 1986Became lawBecame law · Became Public Law No: 99-564.
  2. Became lawBecame law · Signed by President.
  3. Oct 17, 1986PresidentPresident · Presented to President.
  4. Oct 10, 1986FloorFloor · Passed House by Voice Vote.
  5. FloorFloor · Called up by House by Unanimous Consent.
  6. CommitteeCommittee · Discharged from House Natural Resources Committee
  7. Oct 7, 1986CommitteeCommittee · Reported by House Natural Resources Committee
  8. CommitteeCommittee · Markup by House Natural Resources Committee
  9. CommitteeCommittee · Referred to National Parks and Recreation Subcommittee of the House Natural Resources Committee
  10. CommitteeCommittee · Discharged from National Parks and Recreation Subcommittee of the House Natural Resources Committee
  11. Sep 11, 1986CommitteeCommittee · Referred to House Natural Resources Committee
  12. Sep 10, 1986FloorFloor · Passed Senate with amendments by Voice Vote.
  13. Aug 15, 1986CommitteeCommittee · Reported by Senate Energy and Natural Resources Committee
  14. Aug 14, 1986CommitteeCommittee · Markup by Senate Energy and Natural Resources Committee
  15. Jun 20, 1986CommitteeCommittee · Hearings by Public Lands, Reserved Water and Resource Conservation Subcommittee of the Senate Energy and Natural Resources Committee
  16. Apr 17, 1986CommitteeCommittee · Referred to Senate Energy and Natural Resources Committee
  17. CommitteeCommittee · Referred to Public Lands, Reserved Water and Resource Conservation Subcommittee of the Senate Energy and Natural Resources Committee
  18. IntroducedIntroduced · Introduced in the Senate
Data notes

Shows the introduction, each committee and subcommittee step the source dates (referral, hearings, markup, report, discharge), and the floor, conference, presidential and became-law steps. Calendar placements, messages between the chambers, amendments and committee report numbers are not shown for laws before the 108th Congress. Two entries the source lists twice are shown once.

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Official record

The bill’s full text and every action, including introduction and committee steps, are on Congress.gov. Data through Oct 7, 2026.