27 C.F.R. § 28.58
(c) Specially denatured spirits. Where specially denatured spirits are withdrawn free of tax, as authorized in § 28.151, from the bonded premises of a distilled spirits plant on application of the proprietor thereof, the proprietor shall file a consent of surety extending the terms of the operations or unit bond, which consent shall be in the following form:
The obligors agree to extend the terms of said bond to cover all liability that may be incurred on all specially denatured spirits withdrawn by the principal for exportation or transfer to a foreign-trade zone, for which satisfactory evidence of exportation, or of deposit in a foreign-trade zone, as required by law and regulations, is not submitted to the appropriate TTB officer.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1352, as amended, 1362, as amended (26 U.S.C. 5175, 5214); Sec. 3, Pub. L. 91-659, 84 Stat. 1965, as amended (26 U.S.C. 5066); Sec. 805, Pub. L. 96-39, 93 Stat. 276 (26 U.S.C. 5173))
[T.D. ATF-62, 44 FR 71721, Dec. 11, 1979, as amended by T.D. TTB-8, 69 FR 3832, Jan. 27, 2004; T.D. TTB-146, 82 FR 1135, Jan. 4, 2017]