All property of any kind belonging to or held in trust for a Congregational church, Congregational church and society, or Congregational society, hereafter referred to as Congregational church in this subchapter, organized under the laws of this state, which has become or shall become extinct by death of all its members or otherwise, and which has been or shall be at any time affiliated with the Vermont Congregational Conference, a religious corporation existing by virtue of No. 267 of the Acts of 1872 as since amended, or with the Vermont Domestic Missionary Society, a religious corporation existing by virtue of No. 268 of the Acts of 1872, and engaged in religious missionary work and in fostering weak Congregational churches in this state connected with a Congregational church affiliated with such Vermont Congregational Conference or such Vermont Domestic Missionary Society, shall vest in and become the property of such Vermont Domestic Missionary Society.