27 C.F.R. § 28.225
Where a brewer removes taxpaid beer from the brewery or from its place of storage elsewhere for exportation, for lading for use as supplies on vessels or aircraft, or for deposit in a foreign-trade zone, he shall execute the notice and claim on Form 1582-B (5130.6). On removal of the beer for shipment the brewer shall file one copy of Form 1582-B with the appropriate TTB officer, retain one copy for his files, and immediately forward the original and one copy of the form:
(c) In the case of shipments to a foreign-trade zone, to the customs officer in charge of the zone.
(46 Stat. 690, as amended, 48 Stat. 999, as amended, 72 Stat. 1335; 19 U.S.C. 1309, 81c, 26 U.S.C. 5055)
[25 FR 5734, June 23, 1960, as amended by T.D. 7006, 34 FR 2251, Feb. 15, 1969. Redesignated at 40 FR 16835, Apr. 15, 1975, and amended by T.D. TTB-85, 69 FR 3834, Jan. 27, 2004]