(a) The total amount of assistance paid under this article shall be allowed as a claim against the estate of a deceased recipient after funeral expenses, not to exceed $75.00, and the expense of administering the estate have been paid; provided, however, that no claim shall be enforced against any real estate of a recipient while it is occupied by his or her surviving spouse or dependent.

(b) The federal government shall be entitled to a share of any amounts collected under subsection (a) of this Code section from recipients or from their estates, if required as a condition to federal financial participation in assistance under this article, equal to not more than one-half of the amount collected; and this amount shall be specified by the department. The amount due the United States shall be paid promptly to it by the department.