A terms update can bind you. It can also fail. The company can change its terms of service, but it can't always make the change stick. U.S. contract law still expects notice and some form of assent. What counts depends on your old agreement, your state, and what the company is trying to change.

Turns out, no federal rule gives every website or app a 30-day notice window. A notice sent fewer than 30 days before the effective date isn't automatically unlawful. Many online posts treat the 30-day figure as federal law. It isn't. The Consumoteca guide to terms changes explains the limits.

The FTC's negative option story remains unsettled. The 2024 click-to-cancel rule was vacated. In February 2026, the older Part 425 text was restored, according to Privacy Law Network. The FTC has since moved to revive the rule through an Advance Notice of Proposed Rulemaking. It still enforces under ROSCA and Section 5 of the FTC Act, as Jones Day and Goodwin describe. Don't assume a federal one-click cancellation mandate is in force today.

What actually controls a terms change

Your original contract is the starting point. If it has a unilateral modification clause, the company will argue that continued use means you accepted the new terms. Courts don't rubber-stamp that argument. They usually ask whether the notice was reasonably conspicuous and whether you took an action that showed assent, as Goodwin's review of electronic contract cases and JD Supra's analysis of unilateral modification clauses explain.

Rocket Lawyer puts the contract principle plainly. Once a valid contract exists, one side can't change it alone unless the other side agrees or waives the right to consent. Read Your Rights If a Business Changes Its Terms of Service for that overview. A clickwrap update can still bind you. Poor notice and hidden terms weaken that claim.

If you get a notice, do not wait

Find the effective date first. Then find the opt-out deadline, if one exists. Many arbitration clause additions include a 30 to 60 day window to reject mandatory arbitration, according to Consumer Protection Journal. Miss that window and your leverage changes.

Send your rejection in writing. Cite the specific change you refuse. Ask for written confirmation that your account will close or continue without penalties. Keep a copy of the email, chat, or support ticket. If the company says you must accept the new terms to keep using the service, decide whether the service is worth the new deal.

Thing is, some contracts treat silence as consent. Ignoring a price hike, a data-sharing expansion, or a new arbitration term can leave you bound. Act before the deadline.

Cancellation, negative options, and recurring charges

Federal law currently has no broad one-click cancellation rule for every subscription. ROSCA still requires clear disclosure of subscription terms, express informed consent before recurring charges, and a simple mechanism to cancel, as LoopholeDB's consumer rights guide notes. The FTC's 2024 business guidance explains the rule's focus on material terms, prenotification plans, automatic renewals, and free trial offers. See FTC business guidance. That guidance is still useful for understanding the principles, even though the rule itself was vacated.

Cancel the way the company requires. Save the confirmation. If the service keeps charging you, dispute the charge through the correct payment rail.

Those rules come from the LoopholeDB guide. A chargeback is not a substitute for cancellation. A cancellation is not a guarantee of a refund. You often need both.

Arbitration clauses: read the opt-out first

Many terms changes add mandatory arbitration. That can keep you out of court and in front of an arbitrator. It can be faster and cheaper than litigation, but it also limits appeals and can block class actions. Consumer Protection Journal notes that opt-out provisions often appear with these clauses.

If your agreement has a negotiation step before arbitration, follow it. Some platforms require you to contact customer service and wait before filing. Missing that step can delay or sink your claim. Read the dispute section of the new terms, not just the headline about the change.

Evidence that helps

You don't need a legal filing to build a useful record. Start with the old terms and the new notice. Then add screenshots with visible dates.

1. Save the old terms of service or a dated copy.
2. Save the change notice and the effective date.
3. Keep every opt-out or cancellation message.
4. Save billing statements that show the charge.
5. Write down what you were told by support.

To be honest, the paper trail is often more important than a perfectly worded complaint. It shows what you agreed to, what changed, and what you did next.

Small claims, arbitration, and escalation

If the money at stake is small, small claims court may be an option. Consumer Protection Journal says small claims courts typically handle disputes involving $5,000 to $10,000, depending on the state. Check your state court's limit before filing. If your contract requires arbitration, the court may send you back to arbitration.

For a larger dispute, a consumer lawyer may review the contract, the notice, and the payment records. Don't rely on a forum post as your legal strategy. The terms you agreed to control many of these fights.

What you cannot assume

Not every terms-of-service change is illegal. A refund isn't automatic. A company's failure to send a 30-day notice doesn't prove your case. Continuing to use the service can have legal effect.

What you can do is check the actual language. Find the opt-out window. Identify the cancellation method. Read the arbitration and dispute section. Then act before the deadline. If a charge appears after you canceled, dispute it through the correct payment rail and keep the evidence.

This is general information, not legal advice. The best next step is simple: open the notice, find the deadline, and send your written response today.