U.S. Federal Trade Commission · reviewed 2026-10-11
What this source supports: The FTC publishes advertising, pricing, and disclosure rules that apply to small businesses and freelancers.
Source limit: Industry-specific rules add to the general guidance. Check the rules that apply to your field.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
Limits
This guide counts days from the dates you enter. It does not read a contract or guarantee a refund.
Industry-specific rules add to the general guidance. Check the rules that apply to your field.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Common questions
What does the App compute?
Turn a purchase date, a window, and the date you will ask into the deadline and the days left.
What does the App not do?
This App counts days from the dates you enter. It does not read a contract, contact a seller, or guarantee a refund.
Where do the numbers come from?
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
Before you start
Open the linked source page and keep it beside you.
Gather the values the App asks for:
Purchase date.
Refund window in days.
Date you will send the request.
Set aside ten quiet minutes; rushed numbers are the main error this guide prevents.
Free Companion App
The App computes the worked example with your own numbers, in your browser.
APP 1
Course Refund Window Days Left
Turn a purchase date, a window, and the date you will ask into the deadline and the days left.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.