Sec. 146.92  Definitions.

    (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

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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.