An overdue hire is chased and settled

Who is involved

Role	What they do
System	Notices that a booking is still out past its grace.
Rental agent	Phones the customer.
Rental manager	Decides between an extension and the late fee.

System
The 15-minute check finds a booking out past its return time plus your grace.
What they see:The booking shows Overdue with how late it is.
Rental agent
Reads the Overdue notice in the app.
What they see:It names the customer, the items and the late fee so far.
Rental agent
Phones the customer and notes the reply on the booking.
What they see:The note is in the History tab.
Rental manager
Opens the same notice by email and the booking.
What they see:The booking header shows what fee would apply if it came back now.
Rental manager
Either extends the hire, or waits for the return.
What they see:An extension re-checks other bookings and re-prices; otherwise the fee grows.
Rental agent
Records the return when it comes.
What they see:The late fee is charged once, at the return.

Who is told what

Overdue goes in the app and by email to people who hand items over and people who invoice, and is sent once per booking.