As used in this chapter:
For purposes of this paragraph, "gross receipts" shall mean gross receipts reported by the corporation for its taxable year for purposes of the federal income tax.
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.).
30 Del. C. § 1901