Concessional GST rates on specified Covid relief supplies extended, with reduced or nil state tax for listed medical goods. Exempts or applies concessional state tax rates to an enumerated list of Covid relief and medical goods, assigning nil or reduced state tax amounts to each listed tariff heading or description and thereby limiting state tax leviable on those supplies to the specified rates. The relief operates retrospectively from 14 June 2021 through 30 September 2021.