When vacancies happen in the Representation from any State, the Executive Authority thereof shall issue Writs of Election to fill such Vacancies.
U.S. Const. art. I, § 2, cl. 4, under Section 2.
U.S. Const. art. I, § 2, cl. 4
Clause 4
When vacancies happen in the Representation from any State, the Executive Authority thereof shall issue Writs of Election to fill such Vacancies.