Section 19.488 - Marks on packages filled in processing(a)Packages filled in processing. Except as otherwise provided in this part, a proprietor must mark packages of spirits filled in processing with:(1) The name of the processor, or the processor's trade name;(2) The distilled spirits plant number of the processor, such as "DSP-KY-708";(3) The kind of spirits in accordance with § 19.487 or, in the case of an intermediate product, the product name shown on form TTB F 5110.38, Formula for Distilled Spirits Under the Federal Alcohol Administration Act;(4) The serial number or lot identification number, in accordance with § 19.490 , and the date of filling;(5) The proof of the spirits; and(6) The serial number of the formula if it was manufactured under an approved formula.(b)Real or trade names. The proprietor's real name or any trade name used in accordance with § 19.94 may be placed on any package filled with spirits during processing operations.