GST on warranty on vehicle's

RISHI JI (42 Points)

21 September 2020  
My client is associated with Honda motors, they are repairing vehicles under warranty on behalf of Honda. they are giving invoice to customers with `0` value as vehicles is under warranty. but spare parts value they are claiming Honda motors.

please suggest accounting procedures
and how to show invoices on GSTR 1 with 0 value.