9.—(1) Section 89 of the Principal Act is hereby amended by the substitution in subsection (1) (a) for “208 contribution weeks” (inserted by section 8 of the Act of 1987) of “260 contribution weeks”.
(2) Subsection (1) of this section shall not apply to persons in receipt of invalidity pension or to persons in receipt of disability benefit for a period greater than 312 days where such period commenced before the 4th day of January, 1988.
(3) Subsection (2) of this section and section 8 (6) (e) of the Act of 1987 shall not apply to any claim for invalidity pension where the period of incapacity for work commences on or after the 7th day of July, 1988.
