Any bond given under the provisions of this subpart may be terminated as to future transactions--
(a) Pursuant to application of surety as provided in Sec. 26.72;
(b) On approval of a superseding bond;
(c) On notification by the principal to the appropriate TTB officer that he has discontinued transactions under the bond; or
(d) On notification by the principal to the appropriate TTB officer that he has discontinued business. [T.D. 6695, 28 FR 12932, Dec. 5, 1963. Redesignated at 40 FR 16835, Apr. 15, 1975, and amended by T.D. ATF-251, 52 FR 19338, May 22, 1987. Redesignated and amended by T.D. ATF-459, 66 FR 38550, 38551, July 25, 2001]