Pursuant to 44 C.F.R. § 13.30(c)(2) and (d)(1), applicants must obtain prior approval from FEMA whenever there is a budget revision which would result in the need for additional funds or a revision to the scope of a project. The HVAC work resulted in increased costs and was performed outside the approved SOW, without prior approval from FEMA.

Stafford Act § 406(e). 2 C.F.R. § 225 app. A (C)(1)(b), (j). 44 C.F.R. §§ 13.30(c)(2), (d)(1), 13.36, 206.206(a). Port Arthur Indep. Sch. Dist., FEMA-1791-DR-TX, at 2; Clarksville Gas and Water, FEMA-1909-DR-TN, at 7; City of Sweetwater, FEMA-1345-DR-FL, at 3; Chambers Cty., FEMA-1791-DR-TX, at 7.