Versions of 48 CFR Part 235 - Research and Development Contracting on LawServer 2024 48 CFR Part 235 – Research and Development Contracting 2023 48 CFR PART 235 – RESEARCH AND DEVELOPMENT CONTRACTING 2022 48 CFR Part 235 – Research and Development Contracting 2021 48 CFR Part 235 – Research and Development Contracting 2020 48 CFR Part 235 – Research and Development Contracting