(a) In addition to the limitations in this part, and if necessary to protect the revenue or public safety, the appropriate TTB officer, when approving Form 5150.19 may: (1) Specify on the Form 5150.19 the size of containers in which any article may be sold;(2) Specify the maximum quantity that may be sold to any person at one time; or(3) Restrict the sale of an article to a specific class of vendee and for a specific use.(b) Approval by the appropriate TTB officer of formulas, samples, or statements of process means only that they meet the standards of the Alcohol and Tobacco Tax and Trade Bureau. The approval does not require the issuance of a permit under subpart D of this part to withdraw and use specially denatured spirits in those formulas, articles, or statements of process.T.D. ATF- 199, 50 FR 9162, 3/6/1985, as amended by T.D. ATF-435, 66 FR 5474 , 1/19/2001; 81 FR 59457 , 10/31/2016