KRS 140.210: Payment of taxes -- Discount -- Interest -- Bond for payment.

(1) (a) For deaths prior to July 1, 2026, all taxes imposed by this chapter, unless

otherwise provided in this chapter, shall be due at the death of the decedent

and shall be payable t o the Department of Revenue within eighteen (18)

months thereafter. If they are paid within nine (9) months, a discount of five

percent (5%) shall be allowed, and if they are paid within eighteen (18)

months, no interest shall be charged and collected thereon. If the taxes due are

not paid within eighteen (18) months, interest at the tax interest rate as defined

in KRS 131.010 shall be paid from the expiration of the eighteen (18) months

until payment is actually made to the department.

(b) For deaths on or after July 1, 2026, all taxes imposed by this chapter, unless

otherwise provided in this chapter, shall be due at the death of the decedent

and shall be payable to the Department of Revenue within twenty -four (24)

months thereafter. If they are paid withi n fourteen (14) months, a discount of

five percent (5%) shall be allowed, and if they are paid within twenty -four

(24) months, no interest shall be charged and collected thereon. If the taxes

due are not paid within twenty -four (24) months, interest at the tax interest

rate as defined in KRS 131.010 shall be paid from the expiration of the

twenty-four (24) months until payment is actually made to the department.

(2) In all cases where the personal representatives or trustees do not pay the taxes by

the applicable eighteen (18) month or twenty -four (24) month deadline established

in subsection (1) of this section, they shall be required to give bond, in the form and

to the effect prescribed by the department, for the payment of the taxes and interest.