17 C.F.R. § 249.323
(b) This form shall also be filed by each issuer required to file reports pursuant to section 15(d) of the Act, as a notification that the duty to file such reports is suspended pursuant to section 15(d) of the Act because all securities of each class of such issuer registered under the Securities Act of 1933 are held of record by less than 300 persons at the beginning of its fiscal year, or otherwise pursuant to the provisions of Rule 12h-3 (17 CFR 240.12h-3).
(Secs. 12(g)(4), 12(h), 13(a), 15(d), 23(a), 48 Stat. 892, 894, 895, 901; sec. 203(a), 49 Stat. 704; secs. 3, 8, 49 Stat. 1377, 1379; secs. 3, 4, 6, 78 Stat. 565-568, 569, 570-574; sec. 18, 89 Stat. 155; sec. 204, 91 Stat. 1500; 15 U.S.C. 78l(g)(4), 78l(h), 78m(a), 78o(d), 78w(a))
[49 FR 12690, Mar. 30, 1984, as amended at 51 FR 25362, July 14, 1986; 61 FR 21356, May 9, 1996]