Here is interesting and useful content regarding how to request a receipt from Grab, broken down by scenario.
Open your email application and look for a message from Grab with a subject line such as “Your Grab Receipt” or “Trip Receipt.” The email will typically contain a PDF attachment. Download this PDF to your device or print it directly for physical record-keeping. This document usually includes all necessary components: vendor name, GST/VAT details, transaction date, description of service, amount paid, and a receipt number. how to request receipt from grab