21 CFR 1315.21: Individual manufacturing quotas.

The Administrator shall, on or before December 1 of each year, fix for and issue to each person registered to manufacture in bulk ephedrine, pseudoephedrine, or phenylpropanolamine who applies for a manufacturing quota an individual manufacturing quota authorizing that person to manufacture during the next calendar year a quantity of that chemical. Any manufacturing quota fixed and issued by the Administrator is subject to his authority to reduce or limit it at a later date pursuant to § 1315.26 and to his authority to revoke or suspend it at any time pursuant to §§ 1301.36, 1309.43, 1309.44, or 1309.45 of this chapter.