Time of supply of goods

shiv dalwadi (83 Points)

26 August 2019  
[2] The time of supply of goods shall be the earlier of the following dates, namely:-

[a] the date of issue of invoice by the supplier or the last date on which he is required, under Section 31, to issue the invoice with respect to the supply; or

[b] the date on which the supplier receives the payment with respect to the supply

IS THE CLAUSE {B} IN EXISTENCE??