Versions of 26 USC 6166 - Extension of time for payment of estate tax where estate consists largely of interest in closely held business on LawServer 2024 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2023 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2022 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2021 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2020 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2018 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2017 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2015 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2014 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2013 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2012 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business 2010 26 USC 6166 – Extension of time for payment of estate tax where estate consists largely of interest in closely held business