Section 3
SEC. 3. In all cases of transfers subject to tax made during the existence of the Real Property Valuation Committee for which no percentage adjustment of the assessed value of the real property after due notice and hearing have been fixed in accordance with Section 91 of the National Internal Revenue Code, as amended, the Commissioner of Internal Revenue shall compute the tax based on the fair market value as of the time of death, or as of six months thereafter, at the election of the executor or administrator, unless the contrary is shown by the taxpayer.