(1) Subject to this Act, a grant (in this section referred to as a "widowed or surviving civil partner grant") of €8,000 or any higher amount that may be prescribed, shall be paid to a widow, widower or surviving civil partner on the death of his or her spouse or civil partner who -

(a) is entitled to or in receipt of bereavement grant, or

(b) is entitled to or in receipt of -

(i) death benefit under section 81,

(ii) widow's (contributory) pension under Chapter 18 of Part 2,

(iii) widower's (contributory) pension under Chapter 18 of Part 2,