Versions of CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A - Federal Issuance of Experimental Use Permits on LawServer 2024 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER E > PART 172 > Subpart A – Federal Issuance of Experimental Use Permits 2022 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2021 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2020 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2019 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2016 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2015 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits 2014 CFR > Title 40 > Chapter I > Subchapter E > Part 172 > Subpart A – Federal Issuance of Experimental Use Permits