Detention and seizure of goods: release subject to tax payment, prescribed penalties, or furnishing security. Detention and seizure of goods and conveyances in transit permit release on payment by the owner of applicable tax and a penalty equal to one hundred per cent. of the tax payable (or specified limited amounts for exempted goods), or where the owner does not come forward on payment equal to fifty per cent. of the value reduced by tax paid (with alternative limited amounts for exempted goods), or upon furnishing prescribed security equivalent to those amounts; procedural requirements include service of an order, notice specifying tax and penalty, opportunity of being heard, conclusion of proceedings on payment, and initiation of further action if unpaid within seven days, subject to reduction for perishable or hazardous goods.