GST on advance receipt from Parent company

go through the notification no 40/2017 & 66/2017 central

In terms of Regulation 16 of Notification No. FEMA 23/2000-RB dated May 3, 2000,
where an exporter receives advance payment (with or without interest), from a buyer
outside India, the exporter shall be under an obligation to ensure that the shipment of
goods is made within one year from the date of receipt of advance payment;