The persons (whether corporate or unincorporate) referred to in the Fourth Schedule as the persons registered as proprietors of the several pieces of land described in the Fourth Schedule, being land situate in the State of Tasmania, are hereby required as trustees of the said land to take or cause to be taken such action as is necessary to have the Church registered as proprietor of the said pieces of land and to sign all necessary conveyances transfers assurances or other documents for that purpose.