GST amendment updates the taxable goods list to specify fly ash bricks, aggregates and blocks, effective imminently. The Goa GST notification amends Notification No. 38/1/2017--Fin(R&C)(95) by substituting, for serial number 4 column (3), the entry specifying fly ash bricks, fly ash aggregates and fly ash blocks; the amendment is made under the Goa Goods and Services Tax Act and takes effect on 18 July 2022.