For a condition that is still true. A toast is for something that happened and is over.
When to use it
“Save failed” is a toast. “Email is not configured, so reminders are queuing” is a banner. Getting this the wrong way round either nags about history or hides a live problem.
Tones
3 quotations expire this week
Their validity ends on Friday.
Email is not configured
Reminders are queuing in the outbox and will send once a provider is set up.
Subsidy application rejected
A reason is required before this can be resubmitted.