After ratification: what happens to the law on the books

Ratification is not the end of the process. It is the moment the rest of the law has to catch up. This page explains, in general terms, what happens to the statutes already on the books when an amendment is certified, what an amendment can leave to later legislation, and how legislatures prepare in advance. Each amendment page carries its own section — If it passes: the law today and the day after — applying this to that amendment’s actual federal and state law.

How an amendment becomes law

Congress proposes an amendment by a two-thirds vote of both Houses (or a convention called on the application of two-thirds of the state legislatures proposes it). It becomes part of the Constitution when three-fourths of the states — 38 of 50 — ratify it, by their legislatures or by conventions, as Congress directs.¹ The President has no role: an amendment is neither signed nor subject to veto, a point the Supreme Court settled in 1798.² The Archivist of the United States receives the state ratifications and, on the thirty-eighth, certifies the amendment by proclamation in the Federal Register.¹

How long that takes is not fixed. The Twenty-sixth Amendment was passed by Congress on March 23, 1971 and ratified on July 1 of the same year; the Twenty-seventh was proposed in 1789 and ratified in 1992.³

What happens to the laws already on the books

An amendment becomes part of the supreme law of the land the day the last necessary state ratifies it — the Archivist’s later certification announces the fact rather than creating it.⁴ Existing statutes and state constitutions that conflict with it do not need to be repealed to lose their force — but they are not erased, either.

• Conflicting state law becomes unenforceable at once. When the Nineteenth Amendment was challenged, the Court held it validly ratified and part of the Constitution, which invalidated the state constitutional provisions that had limited the vote to men.⁵
• A federal statute that rests on a repealed provision falls with it — even in the middle of a case. After the Twenty-first Amendment repealed the Eighteenth, pending prosecutions under the National Prohibition Act could not continue: “By the repeal the legislative will is expressed that no further proceedings be had under the act repealed.”⁶
• The dead text stays in the statute books until someone removes it. Nothing strikes conflicting language automatically; it simply cannot be applied. Repeal by Congress or a state legislature, or a court judgment declaring the conflict, formally removes it. Laws consistent with the amendment stand as they were.
• Whether it reaches the past is a matter of the text. The Eleventh Amendment was applied to cases already pending;² the Twenty-second exempted “any person holding the office of President when this Article was proposed by the Congress.”³ Where the text is silent, courts decide — which is why careful drafts say what they mean about existing officeholders, districts, or grants.

What an amendment can leave to a statute

Some provisions work by themselves the day they are ratified: a prohibition, or a right a court can apply. Others create a power or a duty that takes practical shape only when a legislature acts. Most modern amendments do both, and end with an enforcement clause — “The Congress shall have power to enforce this article by appropriate legislation” appears in the Thirteenth, Fourteenth, Fifteenth, Nineteenth, Twenty-third, Twenty-fourth, and Twenty-sixth Amendments.³

Enforcement legislation has a long record. Under the Thirteenth Amendment, Congress may legislate against the “badges and incidents of slavery,” including private racial discrimination in property sales.⁷ Under the Fifteenth, “Congress may use any rational means to effectuate the constitutional prohibition of racial discrimination in voting” — the basis of the Voting Rights Act of 1965.⁸ The limit is that such legislation must remedy or prevent violations of what the amendment actually says, with “congruence and proportionality between the injury to be prevented or remedied and the means adopted to that end” — not redefine the amendment.⁹

The drafting consequence is simple. Where an amendment says “as provided by law,” or gives Congress power to enforce, it has chosen to leave that piece to statute — and the piece does not exist until the statute does. Where it states a flat rule, the rule applies the day the amendment is ratified. Seven of the nine drafts on this site use both tools; the amendment pages say, section by section, which is which.

Preparing in advance: conforming and trigger legislation

Legislatures do not have to wait for ratification to get ready for it.

• Statute first, amendment to complete the change. Congress lowered the voting age to eighteen by statute in 1970. The Supreme Court upheld it for federal elections and struck it for state and local elections, leaving states facing two sets of voter records.¹⁰¹¹ Congress proposed the Twenty-sixth Amendment in March 1971 and the states ratified it in about a hundred days — the fastest ratification of any amendment.¹²¹¹
• States pre-positioning for the day after. Pennsylvania created its Liquor Control Board by state law on November 29, 1933 — six days before the Twenty-first Amendment was ratified on December 5 — so that a state regulatory system existed the moment national Prohibition ended.¹³³
• Contingent statutes. A legislature can enact a law now that, by its own terms, takes effect only when a specified event occurs — here, ratification of the amendment. The mechanism is ordinary; the substance is whatever the legislature chooses. Each amendment page describes what conforming state or federal legislation would plausibly look like for that amendment, and which existing bills already resemble it.

Effective dates and transition rules

Amendments can carry their own timing. The Eighteenth took effect “after one year from the ratification of this article”; the Twentieth provided that “Sections 1 and 2 shall take effect on the 15th day of October following the ratification of this article”; the Twenty-second exempted the sitting President.³ The drafts on this site use the same tools: the Term Limits draft counts no term “beginning before the date of the ratification of this article” and exempts the justices in office at ratification; the Ethics draft delays its holdings ban one year; the Redistricting draft applies from the maps drawn on the 2030 census; the Lobbying draft reaches only people who leave office after ratification; the Privacy draft governs retention and use going forward without reaching earlier acquisitions; the Pardon Reform draft makes publication a condition of a pardon taking effect; the Abolition of the Punishment Exception draft takes effect two years after ratification; and the Campaign Finance, Privacy, Lobbying, and Punishment Exception drafts carry enforcement clauses.¹⁴

The edges are settled in court

The scope of every amendment is worked out in cases over the years that follow. That is normal, not a defect. What reduces it is precise definition in the text, explicit transition rules, and enforcement clauses that let Congress fill in detail by statute rather than leaving it to inference — the three drafting habits the sections above describe.

The nine amendments, one by one

Each amendment page has a section on its own federal and state law today, and what changes the day after:

• 01 · Campaign Finance
• 02 · Term Limits
• 03 · Ethics
• 04 · Privacy
• 05 · Lobbying
• 06 · Redistricting
• 07 · Executive Compliance with the Courts
• 08 · Limited Presidential Pardon Reform
• 09 · Abolition of the Punishment Exception

← All amendments