d. In the case of a corporation or a pass-through entity (as defined under §
1601(6)a. of this title), its commercial domicile;
provided, however, domicile shall be presumed to be the mailing address of the beneficiary of a pension plan, or the owner of an account or interest in a pool of intangible investments based on the records of the sponsor of such pension plan, account or pool of intangible investments or the shareholder's mailing address on the records of an investment company under the Investment Company Act of 1940 ( 15 U.S.C. § 80a-1 et seq.).