Subject to the provisions of section 2416 of this title, and except as otherwise provided by Congress, every action for money damages brought by the United States or an officer or agency thereof which is founded upon any contract express or implied in law or fact, shall be barred unless the complaint is filed within six years after the right of action accrues or within one year after final decisions have been rendered in applicable administrative proceedings required by contract or by law, whichever is later: Provided, That in the event of later partial payment or written acknowledgment of debt, the right of action shall be deemed to accrue again at the time of each such payment or acknowledgment: Provided further, That an action for money damages brought by the United States for or on behalf of a recognized tribe, band or group of American Indians shall not be barred unless the complaint is filed more than six years and ninety days after the right of action accrued: Provided further, That an action for money damages which accrued on the date of enactment of this Act in accordance with subsection (g) brought by the United States for or on behalf of a recognized tribe, band, or group of American Indians, or on behalf of an individual Indian whose land is held in trust or restricted status, shall not be barred unless the complaint is filed sixty days after the date of publication of the list required by section 4(c) of the Indian Claims Limitation Act of 1982: Provided, That, for those claims that are on either of the two lists published pursuant to the Indian Claims Limitation Act of 1982, any right of action shall be barred unless the complaint is filed within (1) one year after the Secretary of the Interior has published in the Federal Register a notice rejecting such claim or (2) three years after the date the Secretary of the Interior has submitted legislation or legislative report to Congress to resolve such claim or more than two years after a final decision has been rendered in applicable administrative proceedings required by contract or by law, whichever is later.

Subject to the provisions of section 2416 of this title, and except as otherwise provided by Congress, every action for money damages brought by the United States or an officer or agency thereof which is founded upon a tort shall be barred unless the complaint is filed within three years after the right of action first accrues: Provided, That an action to recover damages resulting from a trespass on lands of the United States; an action to recover damages resulting from fire to such lands; an action to recover for diversion of money paid under a grant program; and an action for conversion of property of the United States may be brought within six years after the right of action accrues, except that such actions for or on behalf of a recognized tribe, band or group of American Indians, including actions relating to allotted trust or restricted Indian lands, may be brought within six years and ninety days after the right of action accrues, except that such actions for or on behalf of a recognized tribe, band, or group of American Indians, including actions relating to allotted trust or restricted Indian lands, or on behalf of an individual Indian whose land is held in trust or restricted status which accrued on the date of enactment of this Act in accordance with subsection (g) may be brought on or before sixty days after the date of the publication of the list required by section 4(c) of the Indian Claims Limitation Act of 1982: Provided, That, for those claims that are on either of the two lists published pursuant to the Indian Claims Limitation Act of 1982, any right of action shall be barred unless the complaint is filed within (1) one year after the Secretary of the Interior has published in the Federal Register a notice rejecting such claim or (2) three years after the Secretary of the Interior has submitted legislation or legislative report to Congress to resolve such claim.

Nothing herein shall be deemed to limit the time for bringing an action to establish the title to, or right of possession of, real or personal property.

Subject to the provisions of section 2416 of this title and except as otherwise provided by Congress, every action for the recovery of money erroneously paid to or on behalf of any civilian employee of any agency of the United States or to or on behalf of any member or dependent of any member of the uniformed services of the United States, incident to the employment or services of such employee or member, shall be barred unless the complaint is filed within six years after the right of action accrues: Provided, That in the event of later partial payment or written acknowledgment of debt, the right of action shall be deemed to accrue again at the time of each such payment or acknowledgment.

In the event that any action to which this section applies is timely brought and is thereafter dismissed without prejudice, the action may be recommenced within one year after such dismissal, regardless of whether the action would otherwise then be barred by this section. In any action so recommenced the defendant shall not be barred from interposing any claim which would not have been barred in the original action.

The provisions of this section shall not prevent the assertion, in an action against the United States or an officer or agency thereof, of any claim of the United States or an officer or agency thereof against an opposing party, a co-party, or a third party that arises out of the transaction or occurrence that is the subject matter of the opposing party’s claim. A claim of the United States or an officer or agency thereof that does not arise out of the transaction or occurrence that is the subject matter of the opposing party’s claim may, if time-barred, be asserted only by way of offset and may be allowed in an amount not to exceed the amount of the opposing party’s recovery.

Any right of action subject to the provisions of this section which accrued prior to the date of enactment of this Act shall, for purposes of this section, be deemed to have accrued on the date of enactment of this Act.

Nothing in this Act shall apply to actions brought under the Internal Revenue Code or incidental to the collection of taxes imposed by the United States.

The provisions of this section shall not prevent the United States or an officer or agency thereof from collecting any claim of the United States by means of administrative offset, in accordance with section 3716 of title 31.