(1) In the case of property distributed, sold, exchanged, or otherwise disposed of, within six (6) months after the decedent’s death such property shall be valued as of the date of distribution, sale, exchange, or other disposition.

(2) In the case of property not distributed, sold, exchanged, or otherwise disposed of, within six (6) months after the decedent’s death such property shall be valued as of the date six (6) months after the decedent’s death.

(3) Any interest or estate which is affected by mere lapse of time shall be included as its value as of the time of death (instead of the later date) with adjustment for any difference in its value as of the later date not due to mere lapse of time.

(a) To the extent of the interest of deceased in all property in which deceased has an interest, except for the following: (i) in the case of a resident, real property and tangible personal property located outside Mississippi; (ii) the amount of all proceeds of an annuity or other payment receivable by any beneficiary under a military family protection plan, survivor benefit plan or other comparable plan, pursuant to Chapter 73, Title 10, United States Code; (iii) the pay and allowances determined by the United States to be due a member of its armed forces for service in the Vietnam Conflict after August 5, 1964, for the period between the date declared by the United States as the beginning of his missing in action status to the date determined by the United States to be the date of his death; provided, that, in cases where a tax has been paid on such pay and allowances pursuant to this chapter, an application for refund of such tax shall be made by January 1, 1982; and (iv) in the case of a nonresident, intangible personal property even when located in Mississippi;

(b) To the extent of any interest therein held jointly or as tenants by the entirety, by the decedent and any other person, or deposited in banks or other institutions in their joint names and payable to either or the survivor, except such part thereof as may be shown to have originally belonged to such other person and never to have belonged to the decedent, and the burden shall be upon the one seeking to exclude such property from the estate tax to show such part as originally belonged to him; provided, however, if the decedent and the decedent’s spouse were the only owners of property or any interests held jointly or as tenants by the entirety, it shall be assumed that each spouse contributed equally to the acquisition of the property unless the surviving spouse shall prove that his or her contribution was greater than one-half (½) of the cost of such property;

(c) To the extent of any property passing under a general power of appointment exercised by the decedent by will, or by deed executed in contemplation of, or intended to take effect in possession or enjoyment at or after, his death, except in case of a bona fide sale for a fair consideration in money or money’s worth;

(d) To the extent of any interest therein of which the decedent has at any time made a transfer, or with respect to which he has at any time created a trust in contemplation of or intended to take effect in possession or enjoyment at or after his death, whether such transfer or trust is made or created before or after March 22, 1956, except in case of a bona fide sale for a fair consideration in money or money’s worth; any transfer of a material part of his property in the nature of a final disposition or distribution thereof, made by a decedent within three (3) years of his death without consideration shall be deemed prima facie to have been made in contemplation of death, within the meaning of this statute, and the burden of proof shall be on the person administering the estate or the beneficiaries of the estate to establish that said transfer was not so made by such decedent;

(e) To the extent of the amount receivable by the executor as insurance under policies on the life of the decedent; to the extent of excess of twenty thousand dollars ($20,000.00) receivable by all other beneficiaries as insurance under policies on the life of the decedent with respect to which the decedent possessed at his death any of the incidents of ownership exercisable either alone or in conjunction with any other person.

(f) With respect to any annuity plan of a decedent, other than an annuity described in item (a) of this subsection, to the extent only of the decedent’s contribution to such plan or plans.