What is the CARD Act of 2009?

The Credit Card Accountability Responsibility and Disclosure Act of 2009, Public Law 111-24, signed into law on 22 May 2009. The Act amended the Truth in Lending Act to create most of the modern consumer protections on credit cards: a 12-month prohibition on APR increases for new accounts, a 45-day advance notice requirement for APR changes, a ban on universal default, payment allocation rules favouring high-APR balances, late fee caps, a 21-day grace period for billing statements, and restrictions on under-21 applicants. The Act's consumer protections are now codified in Federal Reserve Regulation Z (12 CFR Part 1026) and enforced by the Consumer Financial Protection Bureau. The CARD Act is the reason modern 0% APR offers exist in their current form; pre-2009 offers were shorter and structurally more dangerous.

What was universal default and why did the CARD Act ban it?

Universal default was the pre-2009 practice of credit card issuers raising the APR on existing card balances based on the cardholder's default with any other lender. A late mortgage payment, a late car loan payment, even a late phone bill could trigger a card APR hike from a promo rate to 29.99 percent on the existing balance. The mechanism was deeply asymmetric: lenders could share information through credit bureaus, and any single late payment anywhere could cascade across all open credit lines. Section 102 of the CARD Act banned the practice outright. Card issuers can still raise APR on a card based on late payment to that card (the 60-day late payment exception in Reg Z 1026.55(b)(4)), but not based on payment behaviour to other lenders.

How did the payment allocation rules change?

Before the CARD Act, issuers typically applied payments to the lowest-APR balance first. For a customer with a $5,000 balance at 0 percent promo and $1,000 at 24 percent regular APR, a $200 payment was applied to the 0 percent balance, leaving the 24 percent balance to accrue interest. This was a windfall for issuers. Section 104 of the CARD Act requires any payment above the minimum to be applied to the highest-APR balance first. For 0% APR card customers with multiple APR tiers (promo on transfers, regular on purchases), the rule materially reduces interest cost. The mechanics: minimum payment can still be allocated however the issuer chooses, but the excess goes to highest-APR balance.

How did 0% APR offers change after the CARD Act?

Three structural shifts. First, intro periods got longer: pre-2009 typical intros were 6 to 12 months; post-2009 typical intros are 12 to 24 months, with the longest currently at 21 to 24 months. The lengthening reflects the absence of mid-intro APR-hike escape hatches; issuers had to commit to the full disclosed period. Second, disclosure quality improved: the Schumer Box standardisation made it harder to bury terms in fine print, and the 45-day advance notice rule for post-intro changes gave consumers genuine ability to react. Third, the universal default ban removed a hidden risk that consumers often did not understand at application; the 0% promo became a more durable promise. The aggregate effect is that 0% APR cards are materially safer products today than they were pre-2009.

What is the 21-day grace period rule and why does it matter?

Section 106 of the CARD Act requires credit card statements to be delivered to the cardholder at least 21 days before the payment due date. Pre-2009, issuers sometimes delivered statements as little as 10 days before due date, creating artificial late-payment triggers if mail was slow. The 21-day rule eliminates this; the consumer always has at least 3 weeks to schedule payment. The rule applies to both paper and electronic statements (electronic statement delivery is timestamped). For 0% APR cardholders the rule matters because a missed payment can ultimately trigger the 60-day late penalty APR per Reg Z 1026.55(b)(4); the 21-day rule gives you operational time to avoid this.

Where can I read the CARD Act?

The full text of Public Law 111-24 is available at congress.gov. The implementing regulation (Federal Reserve Regulation Z, 12 CFR Part 1026) is the more practical reference for current enforcement; the Act amended existing law, so the implementing regulation contains the current operative text. The Consumer Financial Protection Bureau (CFPB) maintains plain-language summaries at consumerfinance.gov. The Federal Reserve's 2011 Report to Congress on the CARD Act's effects is also useful historical reading; it documents the early measured impact of the Act on consumer credit terms.

The CARD Act 2009 and Why 0% APR Offers Got Better (2026)

Not legal or financial advice

This page summarises the Credit CARD Act of 2009 (Public Law 111-24) and its implementation in Reg Z. It is not legal advice for specific consumer disputes; for those, consult a qualified attorney or your state attorney general's consumer protection division. Resources cited include congress.gov for the full Act text, consumerfinance.gov for CFPB plain-language summaries, and the Federal Reserve's published reports on the Act's effects.

Most of what feels like standard practice on a modern credit card is not actually standard. It is a set of consumer protections written into law in 2009 in response to industry practices that had become indefensibly aggressive in the years prior. The legislation is the Credit CARD Accountability Responsibility and Disclosure Act of 2009 (Public Law 111-24), signed into law on 22 May 2009 and taking effect over the following 15 months. The Act's consumer protections are now codified in Federal Reserve Regulation Z (12 CFR Part 1026) and enforced by the Consumer Financial Protection Bureau, but the underlying statutory authority is the CARD Act.

This page covers the major provisions of the CARD Act, the pre-2009 industry practices each provision was designed to fix, the structural effect on 0% APR offers (longer intros, better disclosures, fewer hidden traps), and the current operative rules now codified in Reg Z that derive from the CARD Act.

The provisions

What the CARD Act actually changed

Below are the major substantive provisions of the CARD Act and their current enforcement status. Many provisions are now better known through their Reg Z citations than their CARD Act section numbers.

Provision	What it does	Source
Universal default banned	Issuer cannot raise APR on existing balance based on late payment to another lender	Section 102; pre-2009, default on any debt could trigger card APR hike
First-year APR increase prohibition	Issuer cannot raise APR on existing balance in first 12 months	Section 101; now codified in Reg Z 1026.55(b)(3)
45-day advance notice for APR increases	Issuer must give 45 days notice for APR changes after year one	Section 101; codified in Reg Z 1026.9(c)
21-day grace period for billing	Statement must arrive at least 21 days before payment due	Section 106; effectively eliminates artificial late-fee triggers
Penalty fee limits	Late fees capped, currently around $32 first offense	Section 102; reviewed periodically by CFPB
Payment allocation rules	Payments above minimum must be applied to highest-APR balance first	Section 104; protects balance-transfer customers from issuer optimisation
Under-21 application restrictions	Applicants under 21 must show independent income or have a co-signer	Section 301; reduced college student card debt
Schumer Box disclosure formatting	Standardised, prominent rate and fee disclosures at application	Section 201; makes cross-card comparison feasible

The before and after

Industry practice pre and post 2009

The clearest way to understand the CARD Act's impact is to compare specific practices that were common before May 2009 with the post-Act state.

Practice	Pre-CARD Act (before 2009)	Post-CARD Act (since 2010)
APR increases on existing balance	Permitted anytime for any reason	Prohibited in year one; 45-day notice required after
Universal default	Late on phone bill triggered card APR hike to 29.99 percent	Banned outright
Payment allocation	Issuer applied payments to lowest-APR balance first (maximising interest on 0% promotional balance)	Above-minimum payments must go to highest-APR balance first
Late fee structure	Tiered, escalating, often $35 to $39	Standardised, currently around $32 first offense
Two-cycle billing	Common, allowed issuers to charge interest on balances paid off in previous month	Banned
Statement timing	Sometimes delivered as little as 10 days before due date	Must arrive 21 days before due date
Under-21 marketing	Heavy on-campus marketing with low-bar credit approval	Income or co-signer required
0% intro periods	6 to 12 months typical, often with hidden traps	12 to 24 months mainstream, with required disclosures

The structural effect on 0% intros

Pre-2009 typical 0% intros ran 6 to 12 months and were structurally fragile (universal default could trigger APR hike, payment allocation maximised issuer interest income, two-cycle billing could re-charge interest on previously paid balances). Post-CARD Act, mainstream 0% intros run 12 to 24 months with disclosed terms protected by the 45-day notice rule and the 12-month first-year protection. The product became more durable.

The mechanics

Each major provision in detail

The 12-month first-year protection (Section 101)

For accounts open less than 12 months, issuers cannot raise the APR on existing balances except in narrow circumstances (variable rate moves, promotional rate ending per disclosed terms, payment more than 60 days late). The rule is now codified in Reg Z 1026.55(b)(3). For 0% intro cardholders this is the rule that makes the promo durable.

The 45-day advance notice rule (Section 101)

For APR increases after the first 12 months, issuers must provide 45 days advance written notice. Consumers can reject the increase; rejected increases apply only to new transactions, not to existing balances. Now codified in Reg Z 1026.9(c) and 1026.55(b)(2).

The universal default ban (Section 102)

Issuers cannot raise the APR on a card based on the cardholder's payment behaviour on other accounts. This eliminated a major source of cascading rate hikes that affected consumers managing multiple credit lines. Now codified across Reg Z 1026.55 with no specific universal-default exception listed.

Payment allocation rule (Section 104)

Payments above the minimum payment must be applied to the highest-APR balance first. Pre-2009 the issuer often allocated payments to the lowest-APR balance, maximising interest on regular-APR balances while letting the promo balance run down slowly. The new rule reverses this, directing extra payments to the most expensive debt. Now codified in Reg Z 1026.53.

21-day grace period (Section 106)

Statements must be delivered at least 21 days before the payment due date. Pre-2009 some issuers delivered statements 10 to 14 days before due date, creating artificial late-payment triggers. The 21-day rule guarantees a meaningful window to schedule payment. Now codified in Reg Z 1026.5b.

Under-21 application restrictions (Section 301)

Applicants under 21 must demonstrate independent income or have a co-signer. The restriction targeted the heavy pre-2009 marketing of credit cards to college students who often lacked income to support the debt. The rule materially reduced under-21 card ownership and the associated debt buildup; subsequent CFPB studies documented the effect.

The Schumer Box

The standardised disclosure that made comparison possible

Named for Senator Charles Schumer who championed disclosure standardisation, the Schumer Box is the standardised table of credit card terms that appears at the front of every credit card application. It must include the intro APR, intro duration, post-intro APR (or range), variable-rate index if applicable, penalty APR, all fees (annual, balance transfer, foreign transaction, late, returned payment), grace period information, and minimum interest charge.

The Schumer Box format is fixed by regulation; the order, terminology, and layout are consistent across issuers, making cross-card comparison feasible. Pre-2009 disclosures were often buried in 30-page cardmember agreements with no standard format; consumers could not easily compare cards. The Schumer Box is the single most consequential disclosure innovation of the CARD Act.

The current state

What the CARD Act means for your 0% APR card today

Your 0% intro is structurally durable. The 12-month first-year protection and the universal default ban mean the issuer cannot break the promo mid-runway except via the 60-day late payment exception.
Above-minimum payments work harder. The payment allocation rule directs your extra payments to the highest-APR balance, accelerating payoff of any regular-APR balance you carry alongside the promo balance.
You have 21 days from statement to due date. The 21-day rule guarantees operational time to schedule payment; missed payments are typically avoidable.
The Schumer Box is your friend. Read it before applying. The intro length, post-intro APR, and BT fee are the four numbers that determine whether the card is right for your scenario.
Post-intro APR changes are visible. The 45-day notice rule means any post-intro rate change must come with advance warning and your right to reject for existing balance.

Keep reading

The CARD Act 2009 and why 0% APR offers got better