Ink general-use formula is any finished article made with S.D.A. Formula No. 1, 3-A, 3-C, 13-A, 23-A, 30, 32, or 33 which—
(a)
Contains sufficient pigments, dyes, or dyestuffs,
(b)
May contain other ingredients, and
(c)
Is packaged, labeled and sold or used as an ink.