Section 2503 - Acquisition of registered corporation status(a) Registered corporations.--This chapter shall apply to a registered corporation described in section 2502(1) (relating to registered corporation status) on the day following the day on which the corporation becomes a registered corporation.(b) Subsidiary corporations.--This chapter shall apply to a registered corporation described in section 2502(2) immediately upon the happening of any event whereby all of the shares of the corporation are owned, directly or indirectly, by one or more registered corporations or foreign corporations for profit described in section 4102(b) (relating to registered corporation exclusions).1988, Dec. 21, P.L. 1444, No. 177, § 103, effective 10/1/1989.