rectifier

every person who colors, flavors, or otherwise processes distilled spirits by distillation, blending, percolating or other processes.

Defined by the Supreme Court in Collins v. Yosemite Park & Curry Co, 304 U.S. 518 (1938).

As used in the internal revenue laws, this term is not confined to a person who runs spirits through charcoal; but is applied to any one who rectifies or purifies spirits in any manner whatever, or who makes a mixture of spirits with anything else, and sells it under any name. Quantity of Distilled Spirits, 3 Ben. 73, Fed. Cas. No. 11,494.

In the internal revenue laws, any one who rectifies or purifies spirits in any manner whatever, or who makes any mixture of spirits with any thing else, and sells it under any name.* See Distiller.

Any person, firm, or corporation who rectifies, purifies, or refines distilled spirits or wine by any process, or who, by mixing distilled spirits or wine with any materials, manufactures any spurious imitation, or compounds liquors for sale, under the name of whiskey, brandy, gin, rum, wine, spirits, or wine bitters, or any other name. Act of July 13, 1866, § 9, 14 Stat, at L. 117. Rectifier, as used in the internal revenue laws, is not confined to a person who runs spirits through charcoal; but any one who rectifies or purifies spirits in any manner whatever, or who makes any mixture of spirits with any thing else, and sells it under any name, is a rectifier. Quantity of Distilled Spirits, 3 Ben. 70; 2 Am. L. T. U. S. Cts. 23.