chapter 21 or 22 of the Internal Revenue Code of 1986 shall have the same meaning as when used in such chapter. (e) Certain governmental employers This credit shall not apply to the Government of the United States, the government of any State or political subdivision thereof, or any agency or instrumentality of any of the foregoing. (f) Special rules (1) Aggregation rule All persons treated as a single employer under subsection (a) or (b) of section 52 of the Internal Revenue Code of 1986, or subsection (m) or (o) of section 414 of such Code, shall be treated as one employer for purposes of this section. (2) Denial of double benefit Rules similar to the rules of section 280C(a) of the Internal Revenue Code of 1986 shall apply for purposes of this section. (3) Third-party payors Any credit allowed under this section shall be treated as a credit described in section 3511(d)(2) of such Code. (4) Election not to have section apply This section shall not apply with respect to any eligible employer for any calendar quarter if such employer elects (at such time and in such manner as the Secretary may prescribe) not to have this section apply. (g) Transfers to certain trust funds There are hereby appropriated to the Federal Old-Age and Survivors Insurance Trust Fund and the Federal Disability Insurance Trust Fund established under section 201 of the Social Security Act ( 42 U.S.C. 401 ) and the Social Security Equivalent Benefit Account established under section 15A(a) of the Railroad Retirement Act of 1974 ( 45 U.S.C. 14 231n–1(a)) amounts equal to the reduction in revenues to the Treasury by reason of this section (without regard to this subsection). Amounts appropriated by the preceding sentence shall be transferred from the general fund at such times and in such manner as to replicate to the extent possible the transfers which would have occurred to such Trust Fund or Account had this section not been enacted. (h) Treatment of deposits The Secretary shall waive any penalty under section 6656 of the Internal Revenue