40 CFR 35.2204 - Project changes.
(a) Minor changes in the project work that are consistent with the objectives of the project and within the scope of the grant agreement do not require the execution of a formal grant amendment before the grantee's implementation of the change. However, the amount of the funding provided by the grant agreement may only be increased by a formal grant amendment.
(1) Alter the project performance standards;
(3) Significantly delay or accelerate the project schedule;
(4) Substantially alter the facilities plan, design drawings and specifications, or the location, size, capacity, or quality of any major part of the project; or
(5) Otherwise require a formal grant amendment under part 30 of this subchapter.