Which truck movements counted as interstate commerce for Louisiana's 80% heavy-truck sales-tax exemption?

Short answer Continuous shipments to, from, or through Louisiana counted even during necessary intermodal delays. Interstate movement ended when goods came to rest as inventory; trips wholly inside Louisiana did not count. Contemporaneous mileage and cargo records were required.
State
LA
Ruling
LA Revenue Ruling 04-005
Tax type
Sales and Use Tax
Issued
2004-08-16
Issued by
Louisiana Department of Revenue
Requested by
Not applicable; this Revenue Ruling provides general heavy-truck interstate-commerce guidance

Apply this to your situation

This page answers the general question as of 2004. Ask about yours and see what current Louisiana tax law says, with citations.

Currency note: this ruling is from 2004
Subsequent statutory amendments, regulation changes, court decisions, or later rulings may have changed the analysis. Treat this page as historical context, not current tax advice. Verify current law before relying on any specific rule, rate, or position mentioned here.
Disclaimer: This is an official 2004 Louisiana Department of Revenue Revenue Ruling defining interstate commerce only for the La. R.S. 47:305.50(A) heavy-truck exemption and its 80% test. It expressly says the analysis does not govern interstate mileage under other tax statutes. Vehicle-specific contemporaneous records and cargo origin and destination evidence were required. Later exemption or USDOT definitions may differ. This summary is informational only and is not legal or tax advice.
About this page: The plain-English summary, reader guidance, and Q&A below were written by Ezel based on the official state tax ruling. The original ruling (linked on this page as a PDF) is the authoritative source for any reliance.
View original ruling (PDF)

Plain-English summary

Truck mileage counted as interstate commerce when it formed part of a continuous shipment to, from, or through Louisiana, including necessary delays to change transportation modes.

The stream ended when goods came to rest in Louisiana, such as when they entered a distributor's or retailer's inventory. A trip wholly within Louisiana did not become interstate merely because the truck traveled on an interstate highway.

Examples that counted

  • An imported sealed container moved from a Louisiana port to a Louisiana destination.
  • Louisiana equipment moved to a port for later shipment beyond Louisiana territorial limits.
  • Imported liquid transferred at a Louisiana port from a barge to a special vessel and then trucked to a Louisiana site.

In each case, the port delay or transfer was necessary to continue the same interstate or foreign movement.

Example that did not count

Louisiana gravel hauled between two Louisiana points remained intrastate even on an interstate roadway because the goods never left the state or joined an interstate stream.

Documentation

Owners and operators claiming the exemption had to keep contemporaneous records showing each vehicle's commercial interstate mileage percentage.

When the truck leg counted only because other transporters carried the goods across borders, the claimant also needed cargo origin and final-destination documentation.

Common questions

Q: Did a port transfer break interstate commerce?

A: No, when the delay was necessary to change transportation modes and continue the shipment.

Q: Did placing goods into inventory break the stream?

A: Yes.

Q: Did using an interstate highway make a Louisiana-only haul interstate?

A: No.

Q: Could missing records cause denial?

A: Yes.

Citations and references

  • La. R.S. 47:305.50(A) — heavy-truck interstate-commerce exemption
  • 49 C.F.R. § 390.5 (2003) — definition quoted in the ruling
  • LAC 61:III.101.C — Revenue Ruling authority and reliance statement

Source

Original ruling text

Revenue Ruling
No. 04- 005
August 16, 2004
Sales and Use Tax
Definition of “Interstate Commerce” As Used in La. Rev. Stat. Ann. §47:305.50(A) The purpose of this Revenue Ruling is to discuss the definition of the term “interstate commerce” as that term is used in La. Rev. Stat. Ann. §47:305.50(A), and to apply the term to various scenarios. Facts Typical fact patterns concerning the application of the term “interstate commerce” within the exemption provided in §47:305.50(A) include:

  1. A cargo-carrying container, which can be easily interchanged between trucks, trains, and
    ships without rehandling the contents, is filled with goods at a point outside of Louisiana and shipped to a Louisiana port. A Louisiana truck engaged in hauling cargo-carrying containers picks up the container at the Louisiana port and delivers it to a location in Louisiana.
  2. A Louisiana truck transports equipment originating in Louisiana to a Louisiana port. The
    goods are subsequently transferred to a ship for delivery in federal waters past the territorial limits of Louisiana.
  3. Liquid chemicals are loaded onto a barge at a point outside of the state of Louisiana. The
    product arrives at a port within Louisiana and is transferred to a special insulated transportation vessel. A Louisiana truck subsequently picks up the vessel containing the liquid chemicals and delivers the product to a site within Louisiana.
  4. A Louisiana truck picks up a shipment of gravel severed from a Louisiana source and
    delivers it to a Louisiana site. Although the truck travels on a section of an interstate thoroughfare, it never leaves the physical boundaries of Louisiana. Applicable Law Section §47:305.50(A) provides a sales and use tax exemption for trucks with a gross weight of twenty-six thousand pounds or more and to trailers used with qualifying trucks if the truck and trailer are used at least eighty percent of the time in interstate commerce and whose activities are subject to the jurisdiction of the United States Department of Transportation. The United States Department of Transportation defines interstate commerce as “trade, traffic, or transportation in the United States: 1) between a place in a state and a place outside of such state (including a place outside of the United States); 2) between two places in a state through another

Revenue Ruling No. 04-005
Page 2 of 3

state or in a place outside of the United States; or 3) between two places in a state as part of trade, traffic, or transportation originating or terminating outside the state or the United States.”1 Interpretation of the term “Interstate Commerce” “Interstate commerce,” as this term is utilized in §47:305.50(A), and as further defined by the United States Department of Transportation, includes the movement of goods from a place outside of the state of Louisiana to a place within the state of Louisiana, or vice versa. The movement of goods is also in interstate commerce if the goods are passing through the state and the goods have either originated outside of the state or have a final destination outside of the state. “Interstate commerce” ends when the transportation of the goods is broken and the property has come to rest in the state. Goods have not come to rest in the state when the delay in the continuity of the journey is necessary to provide for a change in the mode of transportation. In example one, the containers may sit in a Louisiana port awaiting transfer to a truck or train. The delay of the goods at the port is a necessary delay in the interstate movement of the goods. Similarly, in example two, the goods transported from a point within Louisiana to a Louisiana port for subsequent shipment to federal waters have also not come to rest within the state. The interruption of the journey that occurs at the port is necessary in order to deliver the equipment to its ultimate destination outside of the territorial limits of Louisiana. Example three also illustrates when the stream of commerce continues despite the fact that the movement of goods is temporarily disrupted; the liquid must undergo an “inter-modal” change in its movement, as it is necessary to convert from one mode of transportation to another in order to conclude the continuous stream of interstate commerce and deliver the product to its ultimate destination. In contrast, when the property becomes part of inventory of a distributor or retailer, the break in transit is not for the purpose of furthering the movement of goods within interstate commerce. Instead, the property has come to rest in this state and any subsequent transportation within the state is intrastate commerce. Intrastate commerce also includes shipments from one point within the state to another point within the state when the goods do not leave the physical boundaries of Louisiana. In example four, the gravel severed from Louisiana ground and transported to another point within Louisiana along a section of an interstate thoroughfare that passes solely within Louisiana is in intrastate commerce. The goods do not leave the state and even though the truck may pass on an interstate roadway, the property never enters the stream of interstate commerce. Conclusion In summary, “interstate commerce,” as this term is used in §47:305.50(A), means the movement of goods from a place outside of the state of Louisiana to a place within the state of Louisiana (or vice versa), or through the state of Louisiana when the origination point or ending point of the shipment is from or to a place outside of Louisiana. “Interstate commerce” includes goods that remain within the stream of commerce even if the shipment is temporarily delayed in order to change the mode of transportation. The interstate stream of commerce ends, however, when 1

49 C.F.R. § 390.5 (2003).

Revenue Ruling No. 04-005
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goods come to rest in the state, such as when the goods become part of inventory. “Interstate commerce” never begins when goods remain solely within the state and never pass through a point outside of the state. The above determinations of what constitutes interstate mileage apply only for purposes of the sales tax exemption under §47:305.50(A), and are not applicable to the determination of interstate mileage under any other tax statute. Owners or operators of trucks and trailers for which exemption is claimed under §47:305.50(A) must maintain contemporaneous records to document each vehicle’s percentage of commercial interstate mileage. Truck and trailer transportation that is included in the interstate mileage factor, solely on the basis of interstate movement of the goods by other transporters, must be documented by origin and destination information for that property. Failure to maintain contemporaneous records may cause the exemption to be denied. Cynthia Bridges Secretary By: Christina F. Loftus and Leslie C. Strahan Attorneys Policy Services Division

A Revenue Ruling is written to provide guidance to the public and to Department of Revenue employees. It is issued under Section 61:III.101.C of the Louisiana Administrative Code to apply principles of law to a specific set of facts. A Revenue Ruling does not have the force and effect of law and is not binding on the public. It is a statement of the department's position and is binding on the department until superseded or modified by a subsequent change in statute, regulation, declaratory ruling, or court decision.

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