311.10 Ties and Timbers, Constructive Delivery of.

Ties and timbers are taxable when sold under bulk contract, with the purchaser inspecting and approving the material at the plant or yard of the seller and the seller segregating and allotting the approved material to the purchaser for future shipment according to subsequently issued shipping instructions. This material is to be reported by the seller as subject to the tax in the month in which it is shown as sold on his books.