Michigan-Wisconsin Pipe Line Co. v. Calvert
Headline: Texas tax on pipelines’ “first taking” of gas is struck down, limiting states’ power to tax interstate gas shipments and protecting pipeline companies from multiple state taxes.
Holding: The Court held that Texas’s occupation tax on the pipeline companies’ first taking of gas at a plant outlet violates the Constitution’s protection of interstate commerce because the taking is part of interstate transportation.
- Prevents Texas from taxing pipelines’ first taking of interstate gas.
- Blocks cascading taxes by multiple states on the same gas shipment.
- Protects interstate gas transport from state occupation levies.
Summary
Background
Two interstate natural gas pipeline companies sued Texas officials after paying a Texas law’s occupation tax that measured the tax by the total volume of gas “taken” at the outlet of a local gasoline plant. The pipelines buy gas produced and processed by a private company in Texas, receive that gas at the plant outlet directly into their lines, and immediately transport it out of state to distant markets. Lower state courts disagreed about whether the local act of “taking” the gas could be taxed.
Reasoning
The Court addressed whether that “taking” at the plant outlet is a separate local activity or actually part of interstate transportation. The Justices found the gas, once committed to the pipelines, flowed continuously in interstate commerce and the pipelines’ taking was essentially the start of interstate movement. Taxing that event would improperly burden interstate trade and could allow multiple states to tax the same continuous shipment, defeating the Constitution’s rule that interstate commerce flow free from such state obstructions. Relying on prior cases, the Court concluded the tax as applied violated the Constitution’s protection for interstate commerce.
Real world impact
The Court reversed the Texas judgment and barred enforcement of this tax as applied to the pipelines. The decision protects companies that load or carry goods continuously across state lines from state occupation taxes at the point the shipment becomes part of interstate commerce. It prevents states from using a local label to impose taxes that could multiply across the route of interstate shipments.
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