§ 19-1408.  Credits Against Tax.
   (1)   Where there is a transfer of a residential property by a licensed real estate broker which property was transferred to him within the preceding year as consideration for the purchase of other residential property, a credit for the amount of the tax paid at the time of the transfer to him shall be given to him toward the amount of the tax due upon the transfer.
   (2)   Where there is a transfer by a builder of residential property which was transferred to the builder within the preceding year as consideration for the purchase of new, previously unoccupied residential property, a credit for the amount of the tax paid at the time of the transfer to the builder shall be given to the builder toward the amount of the tax due upon the transfer.
   (3)   Where there is a transfer of real estate which is demised by the grantor, a credit for the amount of tax paid at the time of the demise shall be given the grantor toward the tax due upon the transfer.
   (4)   Where there is a conveyance by deed of real estate which was previously sold under a land contract by the grantor, a credit for the amount of tax paid at the time of the sale shall be given the grantor toward the tax due upon the deed.
   (5)   If the tax due upon the transfer is greater than the credit given under this Section, the difference shall be paid. If the credit allowed is greater than the amount of tax due, no refund or carryover credit shall be allowed.