Section 1.141-16 - Effective dates for qualified private activity bond provisions(a)Scope. The effective dates of this section apply for purposes of §§ 1.142-0 through 1.142-2 , 1.144-0 through 1.144-2 , 1.147-0 through 1.147-2 , and 1.150-4 .(b)Effective dates. Except as otherwise provided in this section, the regulations designated in paragraph (a) of this section apply to bonds issued on or after May 16, 1997 (the effective date).(c)Permissive application. The regulations designated in paragraph (a) of this section may be applied by issuers in whole, but not in part, to bonds outstanding on the effective date. For this purpose, issuers may apply § 1.142-2 without regard to paragraph (c)(3) thereof to failures to properly use proceeds that occur on or after April 21, 2003.(d)Certain remedial actions - (1)General rule. The provisions of § 1.142-2(e) apply to failures to properly use proceeds that occur on or after August 13, 2004 and may be applied by issuers to failures to properly use proceeds that occur on or after May 14, 2004, provided that the bonds are subject to § 1.142-2 .(2)Special rule for allocations of nonqualified bonds. For purposes of § 1.142-2(e)(2) , in addition to the allocation methods permitted in § 1.142-2(e)(2) , an issuer may treat bonds with the longest maturities (determined on a bond-by-bond basis) as the nonqualified bonds, but only with respect to failures to properly use proceeds that occur on or after May 14, 2004, with respect to bonds sold before August 13, 2004.T.D. 8712, 62 FR 2302, Jan. 16, 1997, as amended by T.D. 9150, 69 FR 50066, Aug. 13, 2004