If the HCA is to sign a letter contract as the contracting officer, the SPE signs the written determination under FAR 16.603-3.
48 C.F.R. §§3416.603-3
If the HCA is to sign a letter contract as the contracting officer, the SPE signs the written determination under FAR 16.603-3.
48 C.F.R. §§3416.603-3