Versions of 26 CFR 1.420-1 - Significant reduction in retiree health coverage during the cost maintenance period on LawServer 2024 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2023 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2022 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2021 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2015 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2014 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2010 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period 2009 26 CFR 1.420-1 – Significant reduction in retiree health coverage during the cost maintenance period.