Place of supply

Will you  please elaborate   little bit  in  details  IT  enabled  services .

As per section 12(a) of IGST  act  2017

 1) supply of services made  to registered  person  shall be location of  such  person .

  2)  supply  made to other  than  registered  person -

i) The location of the recipient  where  the address on the record  exists and 

ii)  location  of the supplier of  services in other cases .   

please  confirm with others also .