Del. Const. art. IX, § 6
Taxation of stock owned by persons or corporations without this State
84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;State of Delaware
Shares of the capital stock of corporations created under the laws of this State, when owned by persons or corporations without this State, shall not be subject to taxation by any law now existing or hereafter to be made.
22 Del. Laws, c. 122 Del. Laws, c. 254;