---
kind: "section"
citation: "23 C.F.R. § 630.110"
title: "23"
number: "630.110"
heading: "Modification of original agreement."
url: "https://uscodex.org/cfr/23/630.110"
---

# §630.110. Modification of original agreement.

- (a) When changes are needed to the original project agreement, a modification of agreement shall be prepared. Agreements should not be modified to replace one Federal fund category with another unless specifically authorized by statute.
- (b) The State DOT may develop the modification of project agreement in a format acceptable to both the State DOT and the FHWA provided the following are included:
  - (1) The Federal-aid project number and State;
  - (2) A sequential number identifying the modification;
  - (3) A reference to the date of the original project agreement to be modified;
  - (4) The original total project cost and the original amount of Federal funds under agreement;
  - (5) The revised total project cost and the revised amount of Federal funds under agreement;
  - (6) The reason for the modifications; and,
  - (7) **Signatures of officials from both the State and the FHWA and date executed.**
- (c) The State DOT may use an electronic version of the modification of project agreement as provided by the FHWA.

## Notes

### Source

Source: 66 FR 23847, May 10, 2001, unless otherwise noted.

### Authority

Authority: 23 U.S.C. 106, 109, 112, 115, 315, and 402(a); sec. 1110, 1501, and 1503, Pub. L. 109-59, 119 Stat. 1144; Pub. L. 105-178, 112 Stat. 193; Pub. L. 104-59, 109 Stat. 582; Pub. L. 97-424, 96 Stat. 2106; Pub. L. 90-495, 82 Stat. 828; Pub. L. 85-767, 72 Stat. 896; Pub. L. 84-627, 70 Stat. 380; sections 1303 and 1405, Pub. L. 112-141, 126 Stat. 405; and 23 CFR 1.32 and 49 CFR 1.81 and 1.85.