(a) A tax is imposed upon the transfer of real property situated and tangible personal property having an actual situs in this state and upon intangible personal property physically present in this state of a person who at the time of death was not a resident of the United States, the amount of which is a sum equal to that proportion of the credit allowable under the applicable federal revenue Act for estate, inheritance, legacy, and succession taxes actually paid to the several states, as the value of the property taxable in this state bears to the value of the estate taxable by the United States wherever situated.
(b) For the purpose of this section, stock in a corporation organized under the laws of this state shall be considered physically present in this state. The amount receivable as insurance upon the life of a decedent who at the time of death was not a resident of the United States, and any money deposited with a person carrying on the banking business by or for the decedent who was not engaged in business in the United States at the time of death, is not for the purpose of this section, considered to be physically present in this state.