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The Revolutionary FAR Overhaul has published a revised version of this clause. The RFO version supersedes the eCFR text below for contracts using the RFO model; see the RFO deviation for applicability.
52.229-4 Federal, State, and Local Taxes (State and Local Adjustments).
As prescribed in 29.401-3, insert the following clause:
Federal, State, and Local Taxes (State and Local Adjustments) (FEB 2013)
(a) As used in this clause—
After-imposed tax
means any new or increased Federal, State, or local tax or duty, or tax that was excluded on the contract date but whose exclusion was later revoked or amount of exemption reduced during the contract period, other than an excepted tax, on the transactions or property covered by this contract that the Contractor is required to pay or bear as the result of legislative, judicial, or administrative action taking effect after the contract date.
After-relieved tax
means any amount of Federal, State, or local tax or duty, other than an excepted tax, that would otherwise have been payable on the transactions or property covered by this contract, but which the Contractor is not required to pay or bear, or for which the Contractor obtains a refund or drawback, as the result of legislative, judicial, or administrative action taking effect after the contract date.
All applicable Federal, State, and local taxes and duties
means all taxes and duties, in effect on the contract date, that the taxing authority is imposing and collecting on the transactions or property covered by this contract.
Contract date
means the effective date of this contract and, for any modification to this contract, the effective date of the modification.
Excepted tax
means social security or other employment taxes, net income and franchise taxes, excess profits taxes, capital stock taxes, transportation taxes, unemployment compensation taxes, and property taxes.
Excepted tax
does not include gross income taxes levied on or measured by sales or receipts from sales, property taxes assessed on completed supplies covered by this contract, or any tax assessed on the Contractor's possession of, interest in, or use of property, title to which is in the Government.
Local taxes
includes taxes imposed by a possession or territory of the United States, Puerto Rico, or the Northern Mariana Islands, if the contract is performed wholly or partly in any of those areas.
(b)(1) Unless otherwise provided in this contract, the contract price includes all applicable Federal, State, and local taxes and duties, except as provided in subparagraph (b)(2)(i) of this clause.
(2) Taxes imposed under 26 U.S.C. 5000C may not be—
(i) Included in the contract price; nor
(ii) Reimbursed.
(c) The contract price shall be increased by the amount of any after-imposed tax, or of any tax or duty specifically excluded from the contract price by a term or condition of this contract that the Contractor is required to pay or bear, including any interest or penalty, if the Contractor states in writing that the contract price does not include any contingency for such tax and if liability for such tax, interest, or penalty was not incurred through the Contractor's fault, negligence, or failure to follow instructions of the Contracting Officer.
(d) The contract price shall be decreased by the amount of any after-relieved tax. The Government shall be entitled to interest received by the Contractor incident to a refund of taxes to the extent that such interest was earned after the Contractor was paid by the Government for such taxes. The Government shall be entitled to repayment of any penalty refunded to the Contractor to the extent that the penalty was paid by the Government.
(e) The contract price shall be decreased by the amount of any Federal, State, or local tax, other than an excepted tax, that was included in the contract price and that the Contractor is required to pay or bear, or does not obtain a refund of, through the Contractor's fault, negligence, or failure to follow instructions of the Contracting Officer.
(f) No adjustment shall be made in the contract price under this clause unless the amount of the adjustment exceeds $250.
(g) The Contractor shall promptly notify the Contracting Officer of all matters relating to Federal, State, and local taxes and duties that reasonably may be expected to result in either an increase or decrease in the contract price and shall take appropriate action as the Contracting Officer directs. The contract price shall be equitably adjusted to cover the costs of action taken by the Contractor at the direction of the Contracting Officer, including any interest, penalty, and reasonable attorneys' fees.
(h) The Government shall furnish evidence appropriate to establish exemption from any Federal, State, or local tax when (1) the Contractor requests such exemption and states in writing that it applies to a tax excluded from the contract price and (2) a reasonable basis exists to sustain the exemption.
(End of clause)
[48 FR 42478, Sept. 19, 1983, as amended at 55 FR 52799, Dec. 21, 1990; 68 FR 13205, Mar. 18, 2003; 78 FR 6191, Jan. 29, 2013]
RFO
Prescription superseded under the RFO
The prescription shown below is from the codified eCFR. Under the RFO, the prescribing section may have been revised, relocated or reserved. See the deviation memorandum for the current prescription authority.
(a) Except as provided in paragraph (b) of this section, insert the clause at 52.229-3, Federal, State, and Local Taxes, in solicitations and contracts if-
(1) The contract is to be performed wholly or partly in the United States or its outlying areas;
(2) A fixed-price contract is contemplated; and
(3) The contract is expected to exceed the simplified acquisition threshold.
(b) In a noncompetitive contract that meets all the conditions in paragraph (a) of this section, the contracting officer may insert the clause at 52.229-4, Federal, State, and Local Taxes (State and Local Adjustments), instead of the clause at 52.229-3, if the price would otherwise include an inappropriate contingency for potential postaward change(s) in State or local taxes.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC.
Cross-references within the prescription are not resolved automatically.
Regulatory Stack
The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.
RFORFO VersionOverhauled clause text
The Revolutionary FAR Overhaul publishes a revised version of this clause. See the RFO Version tab for the controlling authority under the RFO model.
FARFAR Prescription⚠ May be superseded by RFO29.401-3
(a) Except as provided in paragraph (b) of this section, insert the clause at 52.229-3, Federal, State, and Local Taxes, in solicitations and contracts if-
(1) The contract is to be performed wholly or partly in the United States or its outlying areas;
(2) A fixed-price contract is contemplated; and
(3) The contract is expected to exceed the simplified acquisition threshold.
(b) In a noncompetitive contract that meets all the conditions in paragraph (a) of this section, the contracting officer may insert the clause at 52.229-4, Federal, State, and Local Taxes (State and Local Adjustments), instead of the clause at 52.229-3, if the price would otherwise include an inappropriate contingency for potential postaward change(s) in State or local taxes.
Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.
No version history available from eCFR.
RFO Version
Comparison of the codified eCFR text against the Revolutionary FAR Overhaul revision. Highlights show additions (green) and deletions (red, struck through).
Clause Text
Substantive changes. The RFO version differs materially from the eCFR text.
eCFR (codified)
RFO (implemented)
Unchanged
52.229-4 Federal, State, and Local Taxes (State and Local Adjustments).
eCFR (codified)
RFO (implemented)
As prescribed in 29.401-3, insert the following clause:
As prescribed in 29.401-3 , insert the following clause:
1 added, 2 removed
Federal, State, and Local Taxes (State and Local Adjustments) (FEB 2013)
Federal, State, and Local Taxes (State and Local Adjustments) (Date)
(a)
(a) As used in this clause—
(a)
(a) As used in this clause-
After-imposed tax
means any new or increased Federal, State, or local tax or duty, or tax that was excluded on the contract date but whose exclusion was later revoked or amount of exemption reduced during the contract period, other than an excepted tax, on the transactions or property covered by this contract that the Contractor is required to pay or bear as the result of legislative, judicial, or administrative action taking effect after the contract date.
After-imposed tax means any new or increased Federal, State, or local tax or duty, or tax that was excluded on the contract date but whose exclusion was later revoked or amount of exemption reduced during the contract period, other than an excepted tax, on the transactions or property covered by this contract that the Contractor is required to pay or bear as the result of legislative, judicial, or administrative action taking effect after the contract date.
After-relieved tax
means any amount of Federal, State, or local tax or duty, other than an excepted tax, that would otherwise have been payable on the transactions or property covered by this contract, but which the Contractor is not required to pay or bear, or for which the Contractor obtains a refund or drawback, as the result of legislative, judicial, or administrative action taking effect after the contract date.
After-relieved tax means any amount of Federal, State, or local tax or duty, other than an excepted tax, that would otherwise have been payable on the transactions or property covered by this contract, but which the Contractor is not required to pay or bear, or for which the Contractor obtains a refund or drawback, as the result of legislative, judicial, or administrative action taking effect after the contract date.
All applicable Federal, State, and local taxes and duties
means all taxes and duties, in effect on the contract date, that the taxing authority is imposing and collecting on the transactions or property covered by this contract.
All applicable Federal, State, and local taxes and duties means all taxes and duties, in effect on the contract date, that the taxing authority is imposing and collecting on the transactions or property covered by this contract.
Contract date
means the effective date of this contract and, for any modification to this contract, the effective date of the modification.
Contract date means the effective date of this contract and, for any modification to this contract, the effective date of the modification.
3 added, 3 removed
Excepted tax means social security or other employment taxes, net income and franchise taxes, excess profits taxes, capital stock taxes, transportation taxes, unemployment compensation taxes, and property taxes. Excepted tax does not include gross income taxes levied on or measured by sales or receipts from sales, property taxes assessed on completed supplies covered by this contract, or any tax assessed on the Contractor's possession of, interest in, or use of property, title to which is in the Government.
Excepted tax means social security or other employment taxes, net income and franchise taxes, excess profits taxes, capital stock taxes, transportation taxes, unemployment compensation taxes, and property taxes. "Excepted tax" does not include gross income taxes levied on or measured by sales or receipts from sales, property taxes assessed on completed supplies covered by this contract, or any tax assessed on the Contractor’s possession of, interest in, or use of property, title to which is in the Government.
Local taxes
includes taxes imposed by a possession or territory of the United States, Puerto Rico, or the Northern Mariana Islands, if the contract is performed wholly or partly in any of those areas.
Local taxes includes taxes imposed by a possession or territory of the United States, Puerto Rico, or the Northern Mariana Islands, if the contract is performed wholly or partly in any of those areas.
1 added, 29 removed
(b)(1)
(b)(1) Unless otherwise provided in this contract, the contract price includes all applicable Federal, State, and local taxes and duties, except as provided in subparagraph (b)(2)(i) of this clause.
(b)(1)
(b)
29 added
(1)
(1)
(1) Unless otherwise provided in this contract, the contract price includes all applicable Federal, State, and local taxes and duties, except as provided in subparagraph (b)(2)(i) of this clause.
(2)
(2) Taxes imposed under 26 U.S.C. 5000C may not be—
(2)
(2) Taxes imposed under 26 U.S.C. 5000C may not be-
(i)
(i) Included in the contract price; nor
(i)
(i) Included in the contract price; nor
(ii)
(ii) Reimbursed.
(ii)
(ii) Reimbursed.
5 added, 4 removed
(c)
(c) The contract price shall be increased by the amount of any after-imposed tax, or of any tax or duty specifically excluded from the contract price by a term or condition of this contract that the Contractor is required to pay or bear, including any interest or penalty, if the Contractor states in writing that the contract price does not include any contingency for such tax and if liability for such tax, interest, or penalty was not incurred through the Contractor's fault, negligence, or failure to follow instructions of the Contracting Officer.
(c)
(c) The Government will increase the contract price by the amount of any after-imposed tax, or of any tax or duty specifically excluded from the contract price by a term or condition of this contract that the Contractor is required to pay or bear, including any interest or penalty, if the Contractor states in writing that the contract price does not include any contingency for such tax and if liability for such tax, interest, or penalty was not incurred through the Contractor’s fault, negligence, or failure to follow instructions of the Contracting Officer.
5 added, 4 removed
(d)
(d) The contract price shall be decreased by the amount of any after-relieved tax. The Government shall be entitled to interest received by the Contractor incident to a refund of taxes to the extent that such interest was earned after the Contractor was paid by the Government for such taxes. The Government shall be entitled to repayment of any penalty refunded to the Contractor to the extent that the penalty was paid by the Government.
(d)
(d) The Government will decrease the contract price by the amount of any after-relieved tax. The Government shall be entitled to interest received by the Contractor incident to a refund of taxes to the extent that such interest was earned after the Contractor was paid by the Government for such taxes. The Government will be entitled to repayment of any penalty refunded to the Contractor to the extent that the penalty was paid by the Government.
5 added, 4 removed
(e)
(e) The contract price shall be decreased by the amount of any Federal, State, or local tax, other than an excepted tax, that was included in the contract price and that the Contractor is required to pay or bear, or does not obtain a refund of, through the Contractor's fault, negligence, or failure to follow instructions of the Contracting Officer.
(e)
(e) The Government will decrease the contract price by the amount of any Federal, State, or local tax, other than an excepted tax, that was included in the contract price and that the Contractor is required to pay or bear, or does not obtain a refund of, through the Contractor’s fault, negligence, or failure to follow instructions of the Contracting Officer.
5 added, 6 removed
(f)
(f) No adjustment shall be made in the contract price under this clause unless the amount of the adjustment exceeds $250.
(f)
(f) The Government will not adjust the contract price under this clause unless the amount of the adjustment exceeds $250.
(g)
(g) The Contractor shall promptly notify the Contracting Officer of all matters relating to Federal, State, and local taxes and duties that reasonably may be expected to result in either an increase or decrease in the contract price and shall take appropriate action as the Contracting Officer directs. The contract price shall be equitably adjusted to cover the costs of action taken by the Contractor at the direction of the Contracting Officer, including any interest, penalty, and reasonable attorneys' fees.
(g)
(g) The Contractor shall promptly notify the Contracting Officer of all matters relating to Federal, State, and local taxes and duties that reasonably may be expected to result in either an increase or decrease in the contract price and shall take appropriate action as the Contracting Officer directs. The contract price shall be equitably adjusted to cover the costs of action taken by the Contractor at the direction of the Contracting Officer, including any interest, penalty, and reasonable attorneys’ fees.
2 added, 33 removed
(h)
(h) The Government shall furnish evidence appropriate to establish exemption from any Federal, State, or local tax when (1) the Contractor requests such exemption and states in writing that it applies to a tax excluded from the contract price and (2) a reasonable basis exists to sustain the exemption.
(h)
(h) The Government will furnish evidence appropriate to establish exemption from any Federal, State, or local tax when-
22 added
(1)
(1)
(1) The Contractor requests such exemption and states in writing that it applies to a tax excluded from the contract price; and
9 added
(2)
(2)
(2) A reasonable basis exists to sustain the exemption.
(End of clause)
(End of clause)
27 removed
[48 FR 42478, Sept. 19, 1983, as amended at 55 FR 52799, Dec. 21, 1990; 68 FR 13205, Mar. 18, 2003; 78 FR 6191, Jan. 29, 2013]
Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.229-4 Federal, State, and Local Taxes (State and Local Adjustments).: Prescription
eCFR (codified)
RFO (implemented)
35 added, 18 removed
(a)
(a) Except as provided in paragraph (b) of this section, insert the clause at 52.229-3, Federal, State, and Local Taxes, in solicitations and contracts if-
(a)
(2) Under a contract containing the clause 52.229-4, Federal, State, and Local Taxes (State and Local Adjustments), if the contractor requests evidence that applies to a tax excluded from the contract price and there is a reasonable basis to support the exemption.
18 removed
(1)
(1) The contract is to be performed wholly or partly in the United States or its outlying areas;
(1)
7 removed
(2)
(2) A fixed-price contract is contemplated; and
(2)
11 removed
(3)
(3) The contract is expected to exceed the simplified acquisition threshold.
(3)
58 removed
(b)
(b) In a noncompetitive contract that meets all the conditions in paragraph (a) of this section, the contracting officer may insert the clause at 52.229-4, Federal, State, and Local Taxes (State and Local Adjustments), instead of the clause at 52.229-3, if the price would otherwise include an inappropriate contingency for potential postaward change(s) in State or local taxes.