FAR 29.203—Other Federal tax exemptions.
Plain-English Summary
FAR 29.203 explains two specific federal tax exemptions that apply when the United States is the purchaser or user: the communications excise tax exemption and the federal highway vehicle users tax exemption. It implements Treasury determinations under the Internal Revenue Code and tells contracting personnel when these taxes do not apply to federal acquisitions. In practice, this section matters because it can affect pricing, invoicing, and tax treatment for communications services and supplies, as well as for vehicles owned or leased by the Government. The key practical point is that the exemption is not automatic for every transaction involving the Government; for the communications excise tax, the supplies and services must be for the exclusive use of the United States, and for the highway vehicle users tax, the exemption applies whether the vehicle is owned or leased by the United States. Contractors and contracting officers should use this section to avoid paying or charging taxes that the Government is exempt from, while also making sure the exemption is applied only when the statutory conditions are met.
Key Rules
Communications tax exemption
The United States is exempt from the communications excise tax imposed by 26 U.S.C. 4251 when the supplies and services are for the exclusive use of the United States. This means the exemption depends on the Government being the sole user, not merely a beneficiary or partial user.
Exclusive use requirement
For communications-related purchases, the exemption applies only if the supplies and services are dedicated to Government use. If the item or service is shared, mixed-use, or otherwise not exclusively for the United States, the exemption may not apply.
Highway vehicle users tax exemption
The United States is exempt from the federal highway vehicle users tax imposed by 26 U.S.C. 4481 under 26 U.S.C. 4483(b). This exemption covers vehicles used by the Government regardless of whether the vehicle is owned or leased.
Ownership does not control vehicle exemption
For the highway vehicle users tax, the exemption is not limited to vehicles title-owned by the Government. Leased vehicles are also covered when they are within the scope of the federal exemption.
Treasury authorization governs
These exemptions exist because the Secretary of the Treasury has issued the relevant exemptions under the cited statutory authority. Contracting personnel should treat the FAR text as implementing those Treasury determinations, not as creating a separate tax rule.
Responsibilities
Contracting Officer
Identify when a procurement involves communications supplies or services, or highway vehicles, and ensure the tax treatment reflects the applicable federal exemption. The contracting officer should also make sure solicitation and contract pricing instructions do not require payment of taxes from which the United States is exempt.
Contractor
Apply the exemption correctly in pricing, billing, and tax reporting when the contract meets the conditions in this section. The contractor should not charge communications excise tax on supplies and services for the exclusive use of the United States, and should not charge federal highway vehicle users tax on exempt Government-owned or leased vehicles.
Agency/Program Office
Provide accurate requirement descriptions so the contracting office can determine whether communications items are for exclusive Government use and whether vehicles are owned or leased by the United States. The agency should also support documentation needed to justify exempt tax treatment.
Finance/Payment Office
Review invoices and payment requests to ensure exempt taxes are not paid or reimbursed when the exemption applies. If a tax is improperly included, the payment office should coordinate correction or recovery consistent with contract and fiscal procedures.
Practical Implications
This section can directly change contract price because exempt taxes should not be included in the Government’s cost when the exemption applies.
A common pitfall is assuming all communications purchases are exempt; the exemption is limited to supplies and services for the exclusive use of the United States.
Another common mistake is treating vehicle ownership as the deciding factor for the highway vehicle users tax; leased vehicles can also qualify for the exemption.
Contractors should verify the tax status before invoicing, because improper tax charges can lead to invoice rejection, payment delays, or the need for credits.
Contracting officers should document the basis for exemption in the file, especially where the exclusive-use determination or lease arrangement could be questioned.
Official Regulatory Text
(a) Pursuant to 26 U.S.C.4293 , the Secretary of the Treasury has exempted the United States from the communications excise tax imposed in 26 U.S.C.4251 , when the supplies and services are for the exclusive use of the United States. (Secretarial Authorization, June 20,1947, Internal Revenue Cumulative Bulletin,1947-1, 205.) (b) Pursuant to 26 U.S.C. 4483(b) , the Secretary of the Treasury has exempted the United States from the federal highway vehicle users tax imposed in 26 U.S.C. 4481 . The exemption applies whether the vehicle is owned or leased by the United States. (Secretarial Authorization, Internal Revenue Cumulative Bulletin,1956-2, 1369.)