Virginia’s Supreme Court heard oral arguments Monday on a Republican challenge to a congressional map that voters approved in a statewide referendum last week. The case centers on procedural questions about a three‑point margin amendment that lets the General Assembly redraw lines mid‑decade if other states act first. The decision could tilt post‑midterm congressional control.

Legislators unveiled the map in February, giving Democrats gains in four districts currently held by Republicans. Republicans argue the amendment’s timing violated early‑voting rules, citing over a million ballots cast before the measure passed. The court’s ruling will determine whether the referendum, which followed a constitutional two‑vote process, is valid for the state future legislation.

Opponents also claim the special session that approved the amendment was improper, citing its original budget agenda, and argue a 1902 law requiring courthouse postings was ignored. Supporters counter that the 1971 Constitution removed that requirement, rendering it moot. The court’s analysis will hinge on the precise definition of “election” in state law for the upcoming.

With the midterm elections approaching, the outcome will affect national party power and the balance of congressional seats. Investors watching state‑level redistricting battles will note that similar legal challenges could ripple into other swing states. The Supreme Court’s decision will set a precedent for how procedural timing shapes future electoral maps for the nation ahead.