delivered the opinion of the Court.
The plaintiff in error, a corporation organized under the laws of Illinois, and doing business in ..that State,' filed its bill in the Circuit Court of Sangamon county, Illinois, for a mandatory injunction to compel the defendant in error, as Secretary of State for Illinois, to ac-' cept the sum оf $75.00 in full discharge of its liability for an annual franchise tax for the year 1923, imposed by- § 105 of the Illinois Corporation Act, and to enjoin the. defendant in error from collecting more than that amount.
The plaintiff corporation was originally organised with an authorized caрital stock of $100,000, divided Into one thousand shares of the par value of $100. In 1921, the Illinois Corporation Act was amended so as to allow corporations to issue shares of no par value. Ill. Rev. Stats., (Cahill, 1925) c. 32, § 32, as amended by Act of June 11, 1921, Laws of 1921, p. 365. Shortly after the pаssage *52 of this Act, the corporation, by amendment of its charter, converted its outstanding stock into preferred stock, and authorized and issued forthwith, 10,000 shares of common stock of no par value.
Section 105 of the Corporation Act then provided:
“ Each corporation for profit . . . organized under the laws оf this State or admitted to do business in this State, and required by this Act to make an annual report, shall pay an annual license fee or franchise tax to the Secretary of State of five cents on each one hundred dollars of the proportion of its caрital stock, authorized by its charter in the office of the Secretary of State, represented by business transacted and property located in this State." ))
The Secretary of State demanded of the plaintiff corporation, under this statute, the payment of five cents on each share of no-par stock, on the assumption that for the purpose of the tax, no-par shares were to be valued at $100. The plaintiff took the position that there was no statutory authority for the assessment of the tax on that basis, and that, since its no-par value shares had been issued as “ fully paid up and non-assessable upon the payment of five dollars for each share in cash or property,” .it was liable to a tax only on the basis of that valuation; and tendered the tax so computed to the Secretary of State. In a mandamus proceeding brought by the plaintiff corporation, the Supreme Court of Illinois upheld this contention and ordered the Secretary of State to accept the lesser sum-in satisfaction of the tax.
People ex rel. Roberts & Schaefer Co.
v. Emmerson,
After this deсision, the legislature of Illinois amended § 105 (Laws 1923, p. 280) by adding the sentence:
“ In the event that the corporation has stock of no par value, its shares, for the purpose of fixing such fee, shall be considered to be of the par value of $100 per share.”
*53
The plaintiff's bill in the case before us attacks the validity of the franchise tax imposed on it pursuant to this amendment, on the ground that the amendment is unconstitutional. The circuit court dismissed the bill for want of equity. On appeal, the Supreme Court of Illinois affirmed the judgment (
It is urged that the selection of authorized capital stock as the basis for the franchise tax or license fee is arbitrary and has no tendency to produce equality, and results in imposing different rales of taxation on corporations having the same issued capital stock, holding the same amount of property and doing the same amount of business, whenever they have different amounts of authorized capital stock; that the mere number of authorized no-par value shares, regardless of their value or the amount of money or property for which they are or may be issued, is not a reasonable basis for a franchise tax, but is wholly arbitrary; that the provision of § 105 assigning an arbitrary valuation of $100 per share to nо-par stock for the purpose of computing the tax in question, results in a discrimination against corporations which issue shares of no par value, and in favor of those which issue them at a par value. Reliance is also placed on the invalidity of the аmendment as impairing the obligation of contract (Constitution, Art. 1, § 10) in that the shares of the plaintiff were issued before the amendment of § 105, and at a time when, it is alleged, the law of Illinois provided that, for the purpose of this tax, no-par stock was to be valued at the аmount for which it was actually issued.
In support of the argument that authorized capital stock is not a permissible basis for a franchise tax, .the plaintiff relies on
Air-Way Electric Appliance Corp.
v.
Day,
In the present case, the plaintiff corporation is^orgariized and does all its business in Illinois. We cannot say that a State may not -impose a franchise tax on a domestic corporation, measured by its authorized capital stock. See Kansas City Ry. v. Kansas, 240 U, S. 227, 232-3; Kansas City v. Stiles, 242 U. S; 111.
But the plaintiff is not in a position to raise this question. - As this Court has often held, one who challenges the validity of state taxation on the ground that it vio
*55
lates the equal protectiоn clause, cannot rely on theoretical inequalities, or such as do not affect him, but must show that he is himself affected unfavorably by the discrimination of which he complains. See
Western Union Tel. Co.
v.
Massachusetts,
It is argued that the tax imposed is a tax at a flat rate per share on no-par value stock, regardless of its value, so that different corporations are taxed at different amounts although their no-par stock was issued for the same total amount of capital; and that the tax is based upon an unreasonable and discriminatory classification in which no-par value stock is placed in one class and taxed at an arbitrary valuation of $100 per share, while par value stock is placed in another class and taxed at the value at which it is authorized to be issued. Both arguments leave out of account the nаture of the tax and the essential differences between the two classes'of stock.
The tax is imposed as a franchise tax upon a domestic corporation doing business only within the State. Its power to issue shares, of' both classes is derived from the laws of Illinois. The amount which may be issued; the manner of issue; the liability of holders of these shares and all other incidents of them, are regulated by the law of that State. The tax is not a property tax imposed on shares of stock or on the assets of the corporation. It is a tax on the corporate franchise, which includes the privilege, whether exercised or not, of issuing *56 and using when issued, a particular kind of stock known as “ no-par value stock.” As the stock may, under the statute, be issued for as inuch as $100 a share, if the company so chooses, the statute fixes the maximum extent to. which the privilege may be exercised as'the basis for computing the tax.
Neither this privilege nor the corresponding privilege of issuing par value stock bears any necessary relation to the value of the stоck or the assets of the corporation; and the tax is imposed whether or not the stock is issued and without regard to the value of the stock or of the corporate property. We cannot say that the valilé of the corporation’s franchise mаy not be measured by the number of no-par shares which may be issued rather than their value when issued. The only question with which we need be concerned is whether there are such differences between the two privileges to issue the two classes, of stock, as to cоnstitute a proper basis for classification for purposes of taxation, so that the amount of the tax in the'oné case may be based on. the issue price of the stock, and' in the other upon the maximum price at which it may be issued, regardless of the priсe at which it actually is issued. ...
That there, are . differencés of practical importance between the two classes of stock and the privileges of issuing and using them is sufficiently evidenced by the very general adoption of legislation authorizing the issue of no-par value, stock; and by the widespread practice of issuing tha+ type of corporate shares.
The nature of the more important of these differences sufficiently appears from the provisions of .the Illinois statute as, interpreted and appliеd in the opinion below in the Supreme Court of- Illinois. Par value stock may be issued only for money or property equivalent to the par value. No-par value stock may be issued for money or property of any amount or value provided it is not dess *57 than $5.00 nor mоre than $100 per share. From this it follows that all the par value stock of an authorized class must be issued, if issued at all, at a uniform value or price, while no-par value stock may be issued from time to time at different prices or values, although the holders of all thesе shares are entitled to share equally in the distribution of profits of the corporation. The liability of stockholders of the two classes of stock for the debts of the corporation may be different, and greater facility is permitted in the issuance and marketing of no-par value shares than in the case of stock having a par value.
These differences, both in the legal incidents and in the practical uses of the two classes of stock, not only are a basis for classification of them for purposes of taxаtion,but malee unavoidable certain differences in' the method of assessing this tax. Authorized capital stock cannot well be used as the measure of a tax unless some arbitrary value is assigned to the no-par shares; for they may be" issued from time to time at varying prices, and until issued, they cannot have any value. To require the stock to be issued at a value fixed in advance of its issue, and to make that value the basis of the tax, would in effect abolish no-par stock. Because of the essential differences' between the two kinds of stock, it is difficult to conceive of any other method of assessing the tax which would save the character of nó-par value stock and not result in similar inequalities.
The inequalities complained of result from a classification which, being founded upon real differences, is not unreasonable, and the discrimination which results from it is not arbitrary or prohibited by the Fourteenth Amendment-. It is enough that the classification is reasonably founded upon or related to some permissible policy of taxation.
Watson
v.
State Comptroller,
*58
Only brief consideration need be given to the contention that the amendment of § 105 of the Illinois Corporation Act impairs the obligation of contract. That plaintiff’s stock when issued was not subject to the tax computed at the rate of $100 per share, which was later authorized by § 105 as аmended, was decided in
Roberts & Schaefer Co.
v.
Emmerson,
Even if the taxing statute be deemed to be a part of its corporate charter, it was nevertheless subject to the provisions of § 146 of the Illinois General Corporation Act reserving to the legislature the power “ to amend, repeal or modify this act at pleasure.”
Judgment of the Supreme Court of Illinois is
Affirmed.
