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Guide · Evidence planning

What evidence does a subscription review need?

Start with the question you want to answer. A public offer, a signed-in cancellation flow and a delivery record each support different conclusions.

1. Capture the public commitment

For an offer review, collect the sign-up screen, visible price information, available terms and the point where a customer can agree. Record the device or viewport, selected offer, date and any step needed to reach another source. Preserve enough surrounding context to assess prominence and proximity.

Our fictional fitness business shows A$19 for the first month at sign-up and A$49 per month in separate terms. The relevant question is not simply whether the ongoing price exists. Under the ordinary written-disclosure rule in ACL s 48D, the assessment also concerns the payment information and its presentation near agreement. Applicability, exceptions and any alternative disclosure rule must still be checked.

Match the question to its evidence
Public screenWhat the offer shows
Supplied recordContract or sent notice
Open questionWhat still needs verification

2. Name what the public flow cannot show

A cancellation help page may point to Account settings → Membership. That establishes the instruction shown, not the steps a subscriber must take after signing in. An authorised test account or suitable supplied evidence is needed to inspect that path. Keep account permissions and the boundary against a real cancellation explicit.

For ongoing information, request relevant message templates, contract events and delivery records. A template shows intended wording; it does not show who received it or when. Match the evidence to the applicable requirement under s 48E and any relevant regulations. Avoid assuming that every subscription has the same notice event or schedule.

3. Turn gaps into a specific request

Write down the missing state or fact, why it matters, who can supply it and what would resolve the question. ‘Cancellation not checked’ is less useful than ‘Provide an authorised path from membership settings through the final exit steps, including any required retention or feedback screens.’

The resulting report should distinguish what was observed, what was supplied and what remains unavailable. A missing record does not become evidence that nothing is wrong. Revisit the outcome when new evidence arrives, retaining the original scope so the team can see what changed.

Sources and scope

Page updated: 7 October 2026. Applicability, exclusions and transitional arrangements need assessment by your advisers. Review the flow after every release.

Questions teams ask

What should we do with what we find?

Keep each observation with its screen, date and market, share the record with your advisers, and recheck the same screens after every release. If you want a second pair of eyes, bring the flow to a walkthrough.

How long does one flow take to check?

Plan one working session per flow: walk it, save each screen and fill in the record. App flows and account states take longer.

Which flow should we start with?

The one most customers use. For subscriptions that is usually sign-up, then cancellation; for retail, the checkout.

About the author

Tobias Reittinger

Tobias Reittinger

Founder of Flowlane

My research examines how digital nudges influence decisions in user interfaces. With Flowlane, I apply that perspective to customer flows.

Published at IEEE S&P, ACM CHI (Honorable Mention) and USENIX SOUPS.

More about Tobias →

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