AAR verdict on high sea sale

SivaRanjani Nayagam (2 Points)

19 June 2020  
As per the below link, AAR verdict says GST on high sea sale of merchant trade transactions has to be levied as if it's interstate transaction and IGST applicable. Can someone provide insight into this? from when is this effective?

Link:

https://www.outlookindia.com/newsscroll/goods-purchased-sold-overseas-liable-to-gst-in-india-aar/1870001