Time of Supply in Case of Supply of Vouchers in GST

In case of supply of vouchers by a supplier, the time of supply shall be—

1. the date of issue of voucher, if the supply is identifiable at that point; or
2. the date of redemption of voucher, in all other cases.

Example 1:-

Suppose a Cloth Showroom Sold Gift Voucher to Customer for Rs 2000 on 10 May

Customer can use Gift voucher to Purchase anything

Actual Goods Purchased by Customer on 11 June for Rs 2400

Customer redeemed voucher and paid balance 400

What is Time of Supply in this case

Example 2-

Suppose a Cloth Showroom Sold Gift Voucher to Customer for Rs 2000 on 10 May

Customer can use Gift voucher to Purchase only a Specific Shirt 

Actual Goods of shirt was done  by Customer on 11 June 

What is Time of Supply in this case