(a)-(b) [Reserved] (c) Section 1.475(a)-3 (concerning acquisition by a dealer of a security with a substituted basis) applies to securities acquired, originated, or entered into on or after January 4, 1995. (d)

(a) Controlled group of corporationsFor purposes of this subpart, all employees of all corporations which are members of the same controlled group of corporations shall be treated as employed by a single employer. In any such case, the credit (if any) determined under section 51(a) with respect to each such member shall be its