good sent on approval basis

Shelly (student) (95 Points)

08 July 2018  
1) Is "good sent on approval basis" a supply
2) if yes is it supply of Good or supply of services ( before acceptance is received, i.e when title has not been passed to proposed buyer). [ while answering please consider schedule-II ]

3) as per section 31(7)" invoice is to be issued at the time of supply or six months whichever is earlier" My question is when acceptance is not received within 6 months then also invoice will be issued?