Continuity bond acceptance: B-17 bond satisfies continuity requirement; import estimates amendable and inter-unit transfers taxed under GST. The B-17 general-purpose running bond satisfies the continuity bond requirement under the Import of Goods at Concessional Rate of Duty Rules, 2017; estimated import quantities and values are to be provided for up to one year but may be submitted for shorter periods and amended as needed; during the transitional phase units may use Rule 5 procedure or procurement certificates; inter-unit transfers are invoiced with GST, without immediate customs duty, with suppliers endorsing any customs exemption and recipients liable to pay basic customs duty when goods or finished products are cleared to the domestic tariff area.