The main purpose of this legislative proposal is to eliminate the estate tax and the generation-skipping transfer tax. These taxes are imposed on the transfer of wealth after someone dies, and the goal of this legislation is to repeal these taxes entirely, which supporters argue will simplify the tax system and encourage wealth accumulation and transfer among families. Key provisions of the proposal include the complete repeal of the estate tax and the generation-skipping transfer tax for individuals who die on or after the enactment date of the law.