(a) Attribution. ``Attribution'' means the association of a final product with its source material.
(b) Feedstocks. ``Feedstocks'' means crude petroleum or intermediate product that is used in a petroleum refinery to make a final product.
(c) Feedstock factor. ``Feedstock factor'' means the relative value of final products utilizing T.D. 66-16 (see Sec. 146.92(h)), and which takes into account any volumetric loss or gain.
(d) Final product. ``Final product'' means any petroleum product that is produced in a refinery subzone and thereafter removed therefrom or consumed within the zone.
(e) Manufacturing period. ``Manufacturing period'' means a period selected by the refiner which must be no more than a calendar month basis, for which attribution to a source feedstock must be made for every final product made, consumed in, or removed from the refinery subzone.
(f) Petroleum refinery. ``Petroleum refinery'' means a facility that refines a feedstock listed on the top line of the tables set forth in T.D. 66-16 into a product listed in the left column of the tables set forth in T.D. 66-16.
(g) Price of product. ``Price of product'' means the average per unit market value of each final product for a given manufacturing period or the published standard product value if updated each month.
(h) Producibility. ``Producibility'' is a method of attributing products to feedstocks for petroleum manufacturing in accordance with the Industry Standards of Potential Production set forth in T.D. 66-16.
(i) Relative value. ``Relative value'' means a value assigned to each final product attributed to the separation from a privileged foreign feedstock based on the ratio of the final product's value compared to the privileged foreign feedstock's duty.
(j) Time of separation. ``Time of separation'' means the manufacturing period in which a privileged foreign status feedstock is deemed to have been separated into two or more final products.
(k) Weighted average. ``Weighted average'' means the relative value of merchandise, which is determined by dividing the total value of shipments in a given period by the total quantity shipped in the same given period. See example in section VI of the appendix to this part.