[20220329]IF11957_资本利得按市值计税.pdf

https:/crsreports.congress.gov Updated March 29, 2022Mark-to-Market Taxation of Capital GainsCapital gains are subject to tax only when realized upon sale of an asset. The tax does not apply to gain on assets passed on at death, due to tax rules that apply to capital gains realized by heirs. This exclusion from the tax base limits the taxes, in particular, that can be imposed on high-income taxpayers who hold most of the assets that yield capital gains. Senator Wyden, chairman of the Finance Committee, has proposed to tax gains realized by high-income taxpayers on an accrual basis (i.e., regardless of whether the asset is sold), a method called mark-to-market. President Bidens budget proposal includes a 20% minimum tax on income plus unrealized capital gains on those with wealth of $100 million or more. Because the minimum tax payment would be the minimum tax minus regular tax, the additional tax would largely arise from mark-to-market treatment of gains. What Are Capital Gains? Capital gains are the increase in the value of an asset, such as corporate stock, land, a building, or the increase in the value of a business. The gain is the difference between the market value and the b