Either to charge CGST and SGST or IGST on counter sale transactions, payment receipt through card.

We want to know a clarification on a issue about counter sale transactions with out of state person they can be foreigners also (interstate person) who carry the goods and take the delivery but payment receipt through card and we mentioned their address details on Invoice which are always inter state.

Now we want to know that in this case Either we want to charge CGST and SGST or IGST in his tax invoice bill in gst act.
kindly provide clarification with the reference of the Norms.