For each product to be tax determined using a standard effective tax rate in accordance with §19.248, a proprietor must prepare a record of the standard effective tax rate computation showing, for one proof gallon of the finished product, the following information:

(a) The name of the product;

(b) The least quantity of each eligible flavor that will be used in the product, in proof gallons, or 0.025 proof gallon, whichever is less;

(c) The least quantity of each eligible wine that will be used in the product, in proof gallons;

(d) The greatest effective tax rate applicable to the product, calculated in accordance with §19.246 with the values indicated in paragraphs (a) and (b) of this section; and

(e) The date on which the use of the standard effective tax rate commenced.

(26 U.S.C. 5207)