Section 34 in Punjab Excise Bonded Warehouse Rules, 1957
34.
All the joints in spirit pipes must either by riveted or be joined with bolts. In the latter case the flanges bolted together must have in addition to the bolts at least two rivets made of a composition of lead and tin and sealed with a revenue seal, or in the case of certain joints, when this is specially permitted by the Financial Commissioner, the flanges may be pierced by a bolt, carrying a revenue lock, inserted through a hole at one end of the bolt. Alternately, the flanges may be drilled with a hole 3.175 millimeters (1/8th of an inch in diameter, through which a wire should be twisted together and sealed with a revenue seal.
