Home › CFR › Title 48 › Part 3416 › §3416.603-348 CFR §3416.603-3 — Limitations.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkIf the HCA is to sign a letter contract as the contracting officer, the SPE signs the written determination under FAR 16.603-3.