S???i?n tho?i: ph?i ?i?n s???i?n tho?i chính ch??và ph?i là s??b?n ?ang dùng.The number shall be recorded on a restricted supplies permit, In the event the operator in the house has such a permit, or issued on the sort approved from the Director, and shall be valid to get a specified time period not to exceed 36 months.The report shall be submi