Sec 163 No foreign corporation shall be authored to carry on, m this State, the business, or to exercise any of the powers or functions, of a public service corporation, or be permitted to do anything which domestic corporations are prohibited from doing or be relieved from compliance with any of the requirements made of similar domestic corporations by the Constitution and laws of this State, where the same can be made applicable to such foreign corporation without discriminating against it But this section shall not affect any public service corporation whose line or route extends across the boundary of this Commonwealth, nor prevent any foreign corporation from continuing in such lawful business as it may be actually engaged in within this State, when this Constitution goes into effect; but any such foreign public service corporation, so engaged, shall not, without first becoming incorporated under the laws of this State, be authorized to acquire, lease, use or operate, within this State, any public or municipal franchise or franchises in addition to such as it may own, lease, use or operate when this Constitution goes into effect.  The property, within this State, of foreign corporations shall always be subject to attachment, the same as that of non-resident individuals; and nothing in this section shall restrict the power of the General Assembly to discriminate against foreign corporations whenever, and in whatsoever respect, it may deem wise or expedient.

Sec. 164.  The right of the Commonwealth, through such instrumentalities as it may select, to prescribe and define the public duties of all common carriers and public service corporations, to regulate and control them in the performance of their public duties, and to fix and limit their charges therefor, shall never be surrendered nor abridged.

Sec. 165.  The General Assembly shall enact laws preventing all trusts, combinations and monopolies, inimical to the public welfare.

Sec. 166.  The exclusive right to build or operate railroads parallel to its own, or any other, line of railroad, shall not be granted to any company; but every railroad company shall have the right, subject to such reasonable regulations as may be prescribed by law, to parallel, intersect, connect with or cross, with its roadway, any other railroad or railroads; but no railroad company shall build or operate any line of railroad not specified in its charter, or in some amendment thereof.  All railroad companies, whose lines of railroad connect, shall receive and transport each other’s passengers, freight, loaded or empty cars, without delay or discrimination.  Nothing in this section shall deprive the General Assembly of the right to prevent by statute, repealable at pleasure, any railroad from being built parallel to the present line of the Richmond, Fredericksburg and Potomac railroad.