Versions of 26 CFR 1.861-9 - Allocation and apportionment of interest expense and rules for asset-based apportionment on LawServer 2024 26 CFR 1.861-9 – Allocation and apportionment of interest expense and rules for asset-based apportionment 2023 26 CFR 1.861-9 – Allocation and apportionment of interest expense and rules for asset-based apportionment 2022 26 CFR 1.861-9 – Allocation and apportionment of interest expense and rules for asset-based apportionment 2021 26 CFR 1.861-9 – Allocation and apportionment of interest expense and rules for asset-based apportionment 2015 26 CFR 1.861-9 – Allocation and apportionment of interest expense 2014 26 CFR 1.861-9 – Allocation and apportionment of interest expense 2010 26 CFR 1.861-9 – Allocation and apportionment of interest expense 2009 26 CFR 1.861-9 – Allocation and apportionment of interest expense